| Elk River to Smyrna (Delaware) | 1,005.05 mi (1,617.47 km) |
| Elk River to Smyrna (Georgia) | 925.98 mi (1,490.22 km) |
| Elk River to Smyrna (Tennessee) | 744.08 mi (1,197.47 km) |
| Elk River to Snellville (Georgia) | 940.73 mi (1,513.96 km) |
| Elk River to Snoqualmie (Washington) | 1,347.45 mi (2,168.50 km) |
| Elk River to Snyder (Texas) | 955.80 mi (1,538.21 km) |
| Elk River to Socastee (South Carolina) | 1,114.42 mi (1,793.49 km) |
| Elk River to Socorro (Texas) | 1,165.81 mi (1,876.19 km) |
| Elk River to Soddy-Daisy (Tennessee) | 823.66 mi (1,325.55 km) |
| Elk River to Solana Beach (California) | 1,519.68 mi (2,445.68 km) |
| Elk River to Soledad (California) | 1,565.41 mi (2,519.28 km) |
| Elk River to Solon (Ohio) | 666.51 mi (1,072.64 km) |
| Elk River to Somers Point (New Jersey) | 1,050.68 mi (1,690.91 km) |
| Elk River to Somerset (Kentucky) | 734.89 mi (1,182.70 km) |
| Elk River to Somerset (New Jersey) | 1,017.70 mi (1,637.83 km) |
