| Amposta to Smyrna (Delaware) | 3,898.25 mi (6,273.63 km) |
| Amposta to Smyrna (Georgia) | 4,514.58 mi (7,265.52 km) |
| Amposta to Smyrna (Tennessee) | 4,528.41 mi (7,287.78 km) |
| Amposta to Snellville (Georgia) | 4,490.37 mi (7,226.55 km) |
| Amposta to Snoqualmie (Washington) | 5,394.21 mi (8,681.14 km) |
| Amposta to Snyder (Texas) | 5,318.27 mi (8,558.93 km) |
| Amposta to Socastee (South Carolina) | 4,255.62 mi (6,848.75 km) |
| Amposta to Socorro (Texas) | 5,601.64 mi (9,014.97 km) |
| Amposta to Soddy-Daisy (Tennessee) | 4,492.36 mi (7,229.75 km) |
| Amposta to Solana Beach (California) | 5,987.50 mi (9,635.95 km) |
| Amposta to Soledad (California) | 5,960.88 mi (9,593.12 km) |
| Amposta to Solon (Ohio) | 4,098.98 mi (6,596.67 km) |
| Amposta to Somers Point (New Jersey) | 3,850.10 mi (6,196.14 km) |
| Amposta to Somerset (Kentucky) | 4,397.26 mi (7,076.71 km) |
| Amposta to Somerset (New Jersey) | 3,807.57 mi (6,127.69 km) |
