| Summit to Smithville (Missouri) | 1,070.37 mi (1,722.60 km) |
| Summit to Smyrna (Delaware) | 118.25 mi (190.30 km) |
| Summit to Smyrna (Georgia) | 730.92 mi (1,176.31 km) |
| Summit to Smyrna (Tennessee) | 735.24 mi (1,183.25 km) |
| Summit to Snellville (Georgia) | 710.08 mi (1,142.77 km) |
| Summit to Snoqualmie (Washington) | 2,363.11 mi (3,803.06 km) |
| Summit to Snyder (Texas) | 1,563.41 mi (2,516.06 km) |
| Summit to Socastee (South Carolina) | 548.54 mi (882.79 km) |
| Summit to Socorro (Texas) | 1,873.89 mi (3,015.74 km) |
| Summit to Soddy-Daisy (Tennessee) | 698.27 mi (1,123.76 km) |
| Summit to Solana Beach (California) | 2,405.75 mi (3,871.68 km) |
| Summit to Soledad (California) | 2,524.31 mi (4,062.48 km) |
| Summit to Solon (Ohio) | 371.46 mi (597.80 km) |
| Summit to Somers Point (New Jersey) | 97.48 mi (156.89 km) |
| Summit to Somerset (Kentucky) | 604.90 mi (973.50 km) |
