| Sulphur Springs to Smithville (Missouri) | 435.66 mi (701.13 km) |
| Sulphur Springs to Smyrna (Delaware) | 1,190.16 mi (1,915.37 km) |
| Sulphur Springs to Smyrna (Georgia) | 640.88 mi (1,031.39 km) |
| Sulphur Springs to Smyrna (Tennessee) | 552.39 mi (888.99 km) |
| Sulphur Springs to Snellville (Georgia) | 670.29 mi (1,078.73 km) |
| Sulphur Springs to Snoqualmie (Washington) | 1,688.35 mi (2,717.13 km) |
| Sulphur Springs to Snyder (Texas) | 308.72 mi (496.84 km) |
| Sulphur Springs to Socastee (South Carolina) | 957.29 mi (1,540.60 km) |
| Sulphur Springs to Socorro (Texas) | 629.57 mi (1,013.20 km) |
| Sulphur Springs to Soddy-Daisy (Tennessee) | 613.81 mi (987.84 km) |
| Sulphur Springs to Solana Beach (California) | 1,251.09 mi (2,013.44 km) |
| Sulphur Springs to Soledad (California) | 1,473.19 mi (2,370.87 km) |
| Sulphur Springs to Solon (Ohio) | 963.21 mi (1,550.14 km) |
| Sulphur Springs to Somers Point (New Jersey) | 1,242.48 mi (1,999.59 km) |
| Sulphur Springs to Somerset (Kentucky) | 678.24 mi (1,091.52 km) |
