<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fd756-cffe-70f3-a4d7-d8dfa0dd7dde,g:f95ab9b2-2350-4202-aef3-0b0c6cd600f6-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="svc-20260930.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_019fd756-d1be-715f-ad5a-aeedb4617a4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateInvestmentPropertyAtCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_019fd756-d1be-7aca-aece-d83311a342ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Land"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_019fd756-d1be-715f-ad5a-aeedb4617a4c" xlink:to="loc_us-gaap_Land_019fd756-d1be-7aca-aece-d83311a342ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_svc_InvestmentBuildingImprovementsAndEquipment_019fd756-d1be-7893-9688-7785ffa36dd2" xlink:href="svc-20260930.xsd#svc_InvestmentBuildingImprovementsAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_019fd756-d1be-715f-ad5a-aeedb4617a4c" xlink:to="loc_svc_InvestmentBuildingImprovementsAndEquipment_019fd756-d1be-7893-9688-7785ffa36dd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd756-d1be-7c0a-a509-21a323cdb759" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fd756-d1be-78d7-9569-fb9a38f00533" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd756-d1be-7c0a-a509-21a323cdb759" xlink:to="loc_us-gaap_Liabilities_019fd756-d1be-78d7-9569-fb9a38f00533" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019fd756-d1be-779d-b71d-36b0898fdbb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd756-d1be-7c0a-a509-21a323cdb759" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019fd756-d1be-779d-b71d-36b0898fdbb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd756-d1be-7527-9a62-6b2d5774f3b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd756-d1be-7c0a-a509-21a323cdb759" xlink:to="loc_us-gaap_StockholdersEquity_019fd756-d1be-7527-9a62-6b2d5774f3b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fd756-d1be-71dc-a998-149be4bbe7d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_019fd756-d1be-72a7-9419-63285ba36f10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd756-d1be-71dc-a998-149be4bbe7d1" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_019fd756-d1be-72a7-9419-63285ba36f10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_019fd756-d1be-724d-8779-4548d85d328c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd756-d1be-71dc-a998-149be4bbe7d1" xlink:to="loc_us-gaap_OtherLiabilities_019fd756-d1be-724d-8779-4548d85d328c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_019fd756-d1be-7b09-971a-93c547c23231" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd756-d1be-71dc-a998-149be4bbe7d1" xlink:to="loc_us-gaap_SecuredDebt_019fd756-d1be-7b09-971a-93c547c23231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebt_019fd756-d1be-7f63-80f4-1bc013203a6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd756-d1be-71dc-a998-149be4bbe7d1" xlink:to="loc_us-gaap_UnsecuredDebt_019fd756-d1be-7f63-80f4-1bc013203a6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fd756-d1be-7f3e-a9e6-d3e1851f6244" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:to="loc_us-gaap_CommonStockValue_019fd756-d1be-7f3e-a9e6-d3e1851f6244" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019fd756-d1be-79eb-91d2-42ed7fe3952e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019fd756-d1be-79eb-91d2-42ed7fe3952e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd756-d1be-7ae6-a62a-d4f337ff3d3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd756-d1be-7ae6-a62a-d4f337ff3d3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_svc_CumulativeCommonStockDistributions_019fd756-d1be-7dec-9add-9eac6d5815ae" xlink:href="svc-20260930.xsd#svc_CumulativeCommonStockDistributions"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:to="loc_svc_CumulativeCommonStockDistributions_019fd756-d1be-7dec-9add-9eac6d5815ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd756-d1be-7867-a550-0eda5c37d28a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd756-d1be-7c46-99be-af9ade01845d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd756-d1be-7867-a550-0eda5c37d28a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_019fd756-d1be-771c-8d9f-4b665d000a93" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_EquityMethodInvestments_019fd756-d1be-771c-8d9f-4b665d000a93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019fd756-d1be-7fde-bcfd-3ce796660ffe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_RestrictedCash_019fd756-d1be-7fde-bcfd-3ce796660ffe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_019fd756-d1be-7608-be41-139db29d8a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_019fd756-d1be-7608-be41-139db29d8a4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables_019fd756-d1be-75d6-b5f0-2ac1ddcb6bd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivables"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_OtherReceivables_019fd756-d1be-75d6-b5f0-2ac1ddcb6bd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_019fd756-d1be-78e9-ae71-97f4548ddb91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_019fd756-d1be-78e9-ae71-97f4548ddb91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fd756-d1be-7619-ae40-a65eac9a4c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fd756-d1be-7619-ae40-a65eac9a4c3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_019fd756-d1be-7500-a45a-d9657a635c88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_OtherAssets_019fd756-d1be-7500-a45a-d9657a635c88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd756-d1be-7613-8a4a-b3ee5981f544" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd756-d1be-7d68-9956-7b007611792c" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd756-d1be-7613-8a4a-b3ee5981f544" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_019fd756-d1be-75cb-8915-43457b14a817" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_019fd756-d1be-7f9c-8712-f680b980ad09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateInvestmentPropertyAtCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_019fd756-d1be-75cb-8915-43457b14a817" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_019fd756-d1be-7f9c-8712-f680b980ad09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_019fd756-d1be-7863-a4cc-60453d7f20e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_019fd756-d1be-75cb-8915-43457b14a817" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_019fd756-d1be-7863-a4cc-60453d7f20e2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="simple" xlink:href="svc-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7e7c-ad54-c9687b0a91aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-74d9-b2b1-d3c1085c3104" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7e7c-ad54-c9687b0a91aa" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-74d9-b2b1-d3c1085c3104" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fd756-d1be-75ad-a900-2e7a18bcf9ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7e7c-ad54-c9687b0a91aa" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fd756-d1be-75ad-a900-2e7a18bcf9ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fd756-d1be-7548-8daf-f6fcecbf129d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7e7c-ad54-c9687b0a91aa" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fd756-d1be-7548-8daf-f6fcecbf129d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd756-d1be-709f-857b-1205efa9efee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fd756-d1be-75bb-a7a6-6b6106c1ebbd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019fd756-d1be-709f-857b-1205efa9efee" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fd756-d1be-75bb-a7a6-6b6106c1ebbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncomeLeasePayments_019fd756-d1be-744c-b70b-fcd6c4029b6f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLeaseIncomeLeasePayments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019fd756-d1be-709f-857b-1205efa9efee" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncomeLeasePayments_019fd756-d1be-744c-b70b-fcd6c4029b6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndOtherIncome_019fd756-d1be-72b4-b938-75448c241780" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndOtherIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_InterestAndOtherIncome_019fd756-d1be-72b4-b938-75448c241780" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019fd756-d1be-79c2-869a-1518029c9e4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_CostsAndExpenses_019fd756-d1be-79c2-869a-1518029c9e4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd756-d1be-76cd-b0ba-280c175f0de4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_Revenues_019fd756-d1be-76cd-b0ba-280c175f0de4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_019fd756-d1be-7b0a-b66b-028e3dccd586" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_019fd756-d1be-7b0a-b66b-028e3dccd586" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019fd756-d1be-73bb-aca0-900748edffeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019fd756-d1be-73bb-aca0-900748edffeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fd756-d1be-7c44-8aa4-3788ca0b4b87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019fd756-d1be-7feb-9014-5684d4704542" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fd756-d1be-7c44-8aa4-3788ca0b4b87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d1be-75c8-8a61-7ebdcb837270" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d1be-75c8-8a61-7ebdcb837270" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019fd756-d1be-72dc-818b-b1f04f305887" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019fd756-d1be-72dc-818b-b1f04f305887" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019fd756-d1be-74cf-8619-fe61e959513c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_019fd756-d1be-74cf-8619-fe61e959513c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019fd756-d1be-7488-b7e6-ab71ffd07ebc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_AssetImpairmentCharges_019fd756-d1be-7488-b7e6-ab71ffd07ebc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fd756-d1be-73e8-93e8-616eb3bf659f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fd756-d1be-73e8-93e8-616eb3bf659f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019fd756-d1be-7355-b507-afe6d64c9236" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fd756-d1be-7b4f-9662-f1d6af093eeb" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019fd756-d1be-7355-b507-afe6d64c9236" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd756-d1be-787b-8e8f-dcf0524161a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd756-d1be-75fd-984c-d2c0488dcea0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd756-d1be-787b-8e8f-dcf0524161a1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd756-d1be-75fd-984c-d2c0488dcea0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd756-d1be-75cd-bb17-e7545ee8d328" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd756-d1be-787b-8e8f-dcf0524161a1" xlink:to="loc_us-gaap_NetIncomeLoss_019fd756-d1be-75cd-bb17-e7545ee8d328" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd756-d1be-7745-92e1-718883d13151" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciEquityMethodInvestmentAfterTax_019fd756-d1be-70ce-a9df-6bead8b34886" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OciEquityMethodInvestmentAfterTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd756-d1be-7745-92e1-718883d13151" xlink:to="loc_us-gaap_OciEquityMethodInvestmentAfterTax_019fd756-d1be-70ce-a9df-6bead8b34886" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="svc-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd756-d1be-7fa3-9eb5-c05f97eed06d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-723f-9de6-2b764f1753f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd756-d1be-7fa3-9eb5-c05f97eed06d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-723f-9de6-2b764f1753f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7f6f-bfc4-71e68e77f494" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd756-d1be-7fa3-9eb5-c05f97eed06d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7f6f-bfc4-71e68e77f494" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7100-bc28-51efc836514a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd756-d1be-7fa3-9eb5-c05f97eed06d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7100-bc28-51efc836514a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_019fd756-d1be-7afb-96da-097415d42a0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_019fd756-d1be-7afb-96da-097415d42a0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_019fd756-d1be-721c-a1a6-a33da7ca4273" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_019fd756-d1be-721c-a1a6-a33da7ca4273" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_019fd756-d1be-78ed-be86-83301cb7725e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_019fd756-d1be-78ed-be86-83301cb7725e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fd756-d1be-7099-bf12-17d31197e51b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fd756-d1be-7099-bf12-17d31197e51b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_019fd756-d1be-73c9-aa8c-1d03735569cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_019fd756-d1be-73c9-aa8c-1d03735569cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_019fd756-d1be-7f58-8c74-adb202278bac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_019fd756-d1be-7f58-8c74-adb202278bac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019fd756-d1be-7e34-a266-064a2986f661" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019fd756-d1be-7e34-a266-064a2986f661" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd756-d1be-7f97-8e21-b687b7b3aee8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd756-d1be-7f97-8e21-b687b7b3aee8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019fd756-d1be-70c8-8c4c-44e362430234" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019fd756-d1be-70c8-8c4c-44e362430234" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019fd756-d1be-7c25-a7e8-8f43293fd3a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019fd756-d1be-7c25-a7e8-8f43293fd3a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_01a0b4c3-7516-7007-836f-a3f953c043c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_01a0b4c3-7516-7007-836f-a3f953c043c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_01a0b4c3-b2f0-7755-903b-9db22847cb60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd756-d1be-7c9b-9eca-32769632c7b3" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_01a0b4c3-b2f0-7755-903b-9db22847cb60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7db7-87aa-db3d04f7c986" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_NetIncomeLoss_019fd756-d1be-7db7-87aa-db3d04f7c986" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d1be-7745-9b6b-ffa40a62b981" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d1be-7745-9b6b-ffa40a62b981" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_019fd756-d1be-7913-b074-5392191db7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_019fd756-d1be-7913-b074-5392191db7d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StraightLineRent_019fd756-d1be-7137-a7ff-6236c04c5b22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StraightLineRent"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_StraightLineRent_019fd756-d1be-7137-a7ff-6236c04c5b22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fd756-d1be-743c-b5c6-8e6dfad5230b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fd756-d1be-743c-b5c6-8e6dfad5230b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019fd756-d1be-7019-8e9c-1187d3030562" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_AssetImpairmentCharges_019fd756-d1be-7019-8e9c-1187d3030562" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fd756-d1be-7953-b24e-eb09cc680c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fd756-d1be-7953-b24e-eb09cc680c8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_019fd756-d1be-7eae-80e4-fbec9f5bcb12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_019fd756-d1be-7eae-80e4-fbec9f5bcb12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019fd756-d1be-7ca3-8dbc-fe076bd8e6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019fd756-d1be-7ca3-8dbc-fe076bd8e6b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueFromRelatedParties_019fd756-d1be-76fe-9938-9db7560c8fab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDueFromRelatedParties"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_IncreaseDecreaseInDueFromRelatedParties_019fd756-d1be-76fe-9938-9db7560c8fab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd756-d1be-7227-8f18-9ba5d121599e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd756-d1be-7227-8f18-9ba5d121599e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd756-d1be-7b97-8118-a44e6d82a5e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd756-d1be-7b97-8118-a44e6d82a5e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToAffiliates_019fd756-d1be-7afd-9741-81c282004542" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDueToAffiliates"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd756-d1be-7160-9662-1ccad60699a0" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToAffiliates_019fd756-d1be-7afd-9741-81c282004542" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7bb7-87d3-d58cfd2a4c89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForCapitalImprovements_019fd756-d1be-7ce3-af0f-ade51f56a291" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForCapitalImprovements"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7bb7-87d3-d58cfd2a4c89" xlink:to="loc_us-gaap_PaymentsForCapitalImprovements_019fd756-d1be-7ce3-af0f-ade51f56a291" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_svc_PropertyManagersPurchasesWithRestrictedCash_019fd756-d1be-7c82-a1a8-d94116f5ff32" xlink:href="svc-20260930.xsd#svc_PropertyManagersPurchasesWithRestrictedCash"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7bb7-87d3-d58cfd2a4c89" xlink:to="loc_svc_PropertyManagersPurchasesWithRestrictedCash_019fd756-d1be-7c82-a1a8-d94116f5ff32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDepositsOnRealEstateAcquisitions_019fd756-d1be-7db7-a918-822ef194896b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForDepositsOnRealEstateAcquisitions"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7bb7-87d3-d58cfd2a4c89" xlink:to="loc_us-gaap_PaymentsForDepositsOnRealEstateAcquisitions_019fd756-d1be-7db7-a918-822ef194896b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_019fd756-d1be-757b-a204-9fc3dfecee8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd756-d1be-7bb7-87d3-d58cfd2a4c89" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_019fd756-d1be-757b-a204-9fc3dfecee8a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSSupplementalInformation" xlink:type="simple" xlink:href="svc-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSSupplementalInformation"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSSupplementalInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd756-d1be-726e-9e1d-b31404033146" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd756-d1be-76fb-a6dc-b96515fd30ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd756-d1be-726e-9e1d-b31404033146" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd756-d1be-76fb-a6dc-b96515fd30ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019fd756-d1be-7b02-a981-de7a6a93e87c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd756-d1be-726e-9e1d-b31404033146" xlink:to="loc_us-gaap_RestrictedCash_019fd756-d1be-7b02-a981-de7a6a93e87c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.svcreit.com/role/RealEstatePropertiesScheduleofMajorClassofAssetsandLiabilitiesbyInvestmentsSegmentsDetails" xlink:type="simple" xlink:href="svc-20260930.xsd#RealEstatePropertiesScheduleofMajorClassofAssetsandLiabilitiesbyInvestmentsSegmentsDetails"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/RealEstatePropertiesScheduleofMajorClassofAssetsandLiabilitiesbyInvestmentsSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_019fd756-d1be-754b-bd37-2e40c5dc4989" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_019fd756-d1be-79d9-97f8-9aa6641e3501" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_019fd756-d1be-754b-bd37-2e40c5dc4989" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_019fd756-d1be-79d9-97f8-9aa6641e3501" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_019fd756-d1be-73ec-8048-38da58d675c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupOther_019fd756-d1be-77ee-bf9f-ca72832dbc2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_019fd756-d1be-73ec-8048-38da58d675c5" xlink:to="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupOther_019fd756-d1be-77ee-bf9f-ca72832dbc2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_svc_AssetHeldForSaleNotPartOfDisposalGroupRealEstatePropertiesNet_019fd756-d1be-73be-a3ec-62bb644fd399" xlink:href="svc-20260930.xsd#svc_AssetHeldForSaleNotPartOfDisposalGroupRealEstatePropertiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_019fd756-d1be-73ec-8048-38da58d675c5" xlink:to="loc_svc_AssetHeldForSaleNotPartOfDisposalGroupRealEstatePropertiesNet_019fd756-d1be-73be-a3ec-62bb644fd399" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.svcreit.com/role/SegmentInformationScheduleofSegmentInformationDetails" xlink:type="simple" xlink:href="svc-20260930.xsd#SegmentInformationScheduleofSegmentInformationDetails"/>
  <link:calculationLink xlink:role="http://www.svcreit.com/role/SegmentInformationScheduleofSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd756-d25c-7486-a209-10729c62b874" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_Revenues_019fd756-d25c-7486-a209-10729c62b874" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fd756-d25c-7b57-bc9e-5807d6a21bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fd756-d25c-7b57-bc9e-5807d6a21bb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementFeeExpense_019fd756-d25c-733f-97c4-789c63c6f1ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ManagementFeeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_ManagementFeeExpense_019fd756-d25c-733f-97c4-789c63c6f1ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxesAndInsurance_019fd756-d25c-736d-bf32-5a221d767411" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateTaxesAndInsurance"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_RealEstateTaxesAndInsurance_019fd756-d25c-736d-bf32-5a221d767411" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019fd756-d25c-7471-a2d1-a85d0f658517" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019fd756-d25c-7471-a2d1-a85d0f658517" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d25c-7b73-b41b-ee349fb74efb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fd756-d25c-7b73-b41b-ee349fb74efb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019fd756-d25c-73fb-92a8-9962833f8905" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019fd756-d25c-73fb-92a8-9962833f8905" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_01a0b514-37d1-7356-a0b1-6a580812e4d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd756-d25c-70b0-b6e2-be2646a39df6" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_01a0b514-37d1-7356-a0b1-6a580812e4d5" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
