| South River to Smithville (Missouri) | 1,070.37 mi (1,722.60 km) |
| South River to Smyrna (Delaware) | 102.90 mi (165.61 km) |
| South River to Smyrna (Georgia) | 719.24 mi (1,157.51 km) |
| South River to Smyrna (Tennessee) | 727.61 mi (1,170.98 km) |
| South River to Snellville (Georgia) | 697.98 mi (1,123.29 km) |
| South River to Snoqualmie (Washington) | 2,371.20 mi (3,816.08 km) |
| South River to Snyder (Texas) | 1,558.87 mi (2,508.75 km) |
| South River to Socastee (South Carolina) | 531.98 mi (856.14 km) |
| South River to Socorro (Texas) | 1,870.24 mi (3,009.87 km) |
| South River to Soddy-Daisy (Tennessee) | 688.72 mi (1,108.40 km) |
| South River to Solana Beach (California) | 2,405.49 mi (3,871.26 km) |
| South River to Soledad (California) | 2,526.55 mi (4,066.09 km) |
| South River to Solon (Ohio) | 374.28 mi (602.35 km) |
| South River to Somers Point (New Jersey) | 78.93 mi (127.02 km) |
| South River to Somerset (Kentucky) | 597.74 mi (961.96 km) |
