<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001655888</issuerCik>
        <issuerName>Owl Rock Capital Corp</issuerName>
        <issuerTradingSymbol>NONE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001124195</rptOwnerCik>
            <rptOwnerName>FINN BRIAN D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OWL ROCK CAPITAL CORPORATION,</rptOwnerStreet1>
            <rptOwnerStreet2>245 PARK AVENUE, 41ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10167</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-12-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4301</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6119</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the shares held by Marstar Investments, LLC. Mr. Finn disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F2">Includes 8 shares acquired on November 30, 2016 pursuant to Owl Rock Capital Corporation's dividend reinvestment plan.  Such transaction was exempt from Section 16 reporting under Rule 16a-11.</footnote>
    </footnotes>

    <remarks>(3) Rebecca Tabb is signing on behalf of Mr. Finn pursuant to the power of attorney dated May 4, 2016, which was previously filed with the Securities and Exchange Commission as an exhibit to the Form 3 filed by Mr. Finn on May 5, 2016.</remarks>

    <ownerSignature>
        <signatureName>/s/ Rebecca Tabb, on behalf of Brian D. Finn (3)</signatureName>
        <signatureDate>2016-12-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
