- Clover, York County, South Carolina, United States7
- Cokesbury (S.C.)1
- Colleton County (S.C.)6
- Colorado1
- Columbia (S.C.)426
- Columbia College Drive, Columbia, S.C.1
- Columbia, Lexington County, South Carolina United States6
- Columbia, Lexington County, South Carolina, United States11
- Columbia, Richland County, South Carolina, United States1
- Columbia, S.C.2
- Congaree River (S.C.)1
- Converse (S.C.)1
- Coppenhagen, Denmark1
- Corea (Me.)1
- Cowpens (S.C.)2
- Cowpens, Spartanburg County, South Carolina, United States5
- Cranbury (N.J.)2
- Cumberland (Md.)1
- Danville (Va.)1
- Darlington (S.C.)1