| Ub to Smyrna (Delaware) | 4,637.31 mi (7,463.03 km) |
| Ub to Smyrna (Georgia) | 5,255.03 mi (8,457.16 km) |
| Ub to Smyrna (Tennessee) | 5,233.15 mi (8,421.94 km) |
| Ub to Snellville (Georgia) | 5,234.39 mi (8,423.93 km) |
| Ub to Snoqualmie (Washington) | 5,673.55 mi (9,130.70 km) |
| Ub to Snyder (Texas) | 5,943.81 mi (9,565.64 km) |
| Ub to Socastee (South Carolina) | 5,034.06 mi (8,101.53 km) |
| Ub to Socorro (Texas) | 6,189.48 mi (9,961.00 km) |
| Ub to Soddy-Daisy (Tennessee) | 5,213.99 mi (8,391.11 km) |
| Ub to Solana Beach (California) | 6,451.48 mi (10,382.65 km) |
| Ub to Soledad (California) | 6,348.54 mi (10,216.99 km) |
| Ub to Solon (Ohio) | 4,776.86 mi (7,687.62 km) |
| Ub to Somers Point (New Jersey) | 4,594.88 mi (7,394.74 km) |
| Ub to Somerset (Kentucky) | 5,103.34 mi (8,213.03 km) |
| Ub to Somerset (New Jersey) | 4,538.83 mi (7,304.54 km) |
