| Sulphur to Secaucus (New Jersey) | 1,302.57 mi (2,096.28 km) |
| Sulphur to Security-Widefield (Colorado) | 873.28 mi (1,405.41 km) |
| Sulphur to Sedalia (Missouri) | 585.77 mi (942.70 km) |
| Sulphur to Sedro-Woolley (Washington) | 1,972.98 mi (3,175.21 km) |
| Sulphur to Seguin (Texas) | 279.65 mi (450.05 km) |
| Sulphur to Selden (New York) | 1,352.81 mi (2,177.14 km) |
| Sulphur to Selma (Alabama) | 402.57 mi (647.87 km) |
| Sulphur to Selma (California) | 1,571.10 mi (2,528.44 km) |
| Sulphur to Selma (Texas) | 300.13 mi (483.02 km) |
| Sulphur to Seminole (Florida) | 659.31 mi (1,061.05 km) |
| Sulphur to Seven Hills (Ohio) | 1,009.10 mi (1,623.99 km) |
| Sulphur to Seven Oaks (South Carolina) | 761.07 mi (1,224.82 km) |
| Sulphur to Severn (Maryland) | 1,126.22 mi (1,812.47 km) |
| Sulphur to Severna Park (Maryland) | 1,130.67 mi (1,819.64 km) |
| Sulphur to Sevierville (Tennessee) | 688.01 mi (1,107.24 km) |
