| Fully to Smyrna (Delaware) | 4,032.71 mi (6,490.02 km) |
| Fully to Smyrna (Georgia) | 4,652.49 mi (7,487.45 km) |
| Fully to Smyrna (Tennessee) | 4,641.81 mi (7,470.27 km) |
| Fully to Snellville (Georgia) | 4,630.69 mi (7,452.37 km) |
| Fully to Snoqualmie (Washington) | 5,268.74 mi (8,479.22 km) |
| Fully to Snyder (Texas) | 5,384.15 mi (8,664.95 km) |
| Fully to Socastee (South Carolina) | 4,419.88 mi (7,113.10 km) |
| Fully to Socorro (Texas) | 5,646.00 mi (9,086.36 km) |
| Fully to Soddy-Daisy (Tennessee) | 4,617.11 mi (7,430.53 km) |
| Fully to Solana Beach (California) | 5,963.10 mi (9,596.68 km) |
| Fully to Soledad (California) | 5,895.23 mi (9,487.45 km) |
| Fully to Solon (Ohio) | 4,192.32 mi (6,746.89 km) |
| Fully to Somers Point (New Jersey) | 3,988.43 mi (6,418.76 km) |
| Fully to Somerset (Kentucky) | 4,510.99 mi (7,259.73 km) |
| Fully to Somerset (New Jersey) | 3,936.10 mi (6,334.54 km) |
