- Roebuck (S.C.)1
- Romain, Cape (S.C.)1
- Rota (Spain)1
- Royal Greenwich Observatory, London, England, United Kingdom1
- Saint Johns County, Florida, United States1
- Saint Stephen (S.C.)1
- Saint-Mihiel (France)1
- Saipan (Northern Mariana Islands)1
- Saluda (S.C.)1
- Saluda, South Carolina1
- San Francisco, San Francisco County, California, United States1
- San Pedro (Los Angeles, Calif.)1
- Sandy Hill, Camden, Kershaw County, South Carolina, United States1
- Santa Barbara (Calif.)1
- Santa Catalina Island (Calif.)1
- Santee River (S.C.)1
- Savage Glover Elementary School, Sumter, Sumter County, South Carolina, United States1
- Savannah River (Ga. and S.C.)1
- Savannah, Chatham County, South Carolina, United States1
- Seattle, King County, Washington, United States1