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

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-03-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000096289</issuerCik>
        <issuerName>RADIOSHACK CORP</issuerName>
        <issuerTradingSymbol>RSH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001230885</rptOwnerCik>
            <rptOwnerName>FALCONE ROBERTS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BEARINGPOINT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1676 INTERNATIONAL DRIVE</rptOwnerStreet2>
            <rptOwnerCity>MCLEAN</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22102</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>2004-03-19</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-03-19</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.42</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1904.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>JOHN P. CLARSON POWER OF ATTORNEY FOR ROBERT S. FALCONE</signatureName>
        <signatureDate>2004-03-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0201
4
2004-03-22
0
0000096289
RADIOSHACK CORP
RSH
0001230885
FALCONE ROBERTS
C/O BEARINGPOINT, INC.
1676 INTERNATIONAL DRIVE
MCLEAN
VA
22102
1
0
0
0
COMMON STOCK
2004-03-19
2004-03-19
4
P
0
1000.00
32.42
A
1904.00
D
JOHN P. CLARSON POWER OF ATTORNEY FOR ROBERT S. FALCONE
2004-03-22