- California, United States2
- Calvert2
- Cambridge, Middlesex County, Massachusetts, United States2
- Camden (S.C.)2
- Camp Forrest, Tennessee2
- Canastota, Madison County, New York, United States2
- Carbon2
- Cayce (S.C.)2
- Charleston County (S.C.), Berkeley County (S.C.)2
- Charleston County, (S.C.)2
- Charlottesville, Virginia, United States2
- Chicago, Cook County, DuPage County, Illinois, United States2
- Chickamauga (Ga.)2
- Chile2
- Clinton, Oneida County, New York, United States2
- Coast of Morbihan, Brittany, France2
- Combahee River, Colleton County (S.C.)2
- Cooper River (S.C.)2
- Cooper River, SC2
- Crook2