Place
- Qatar1
- Riverside County (Calif.)1
- Rocky Mountains1
- Romania1
- Russia (Federation)1
- Saco Bay (Me.)1
- Sacramento County (Calif.)1
- San Benito County (Calif.)1
- San Bernardino County (Calif.)1
- San Joaquin County (Calif.)1
- San Luis Obispo County (Calif.)1
- Santa Barbara County (Calif.)1
- Santa Clara County (Calif.)1
- Santa Maria River (Calif.)1
- Saudi Arabia1
- Sequit Point (Calif.)1
- Seychelles1
- Shasta County (Calif.)1
- Sierra Valley (Calif.)1
- Singapore1