| Muscle Shoals to Sestu | 5,068.17 mi (8,156.43 km) |
| Muscle Shoals to Settimo Torinese | 4,805.60 mi (7,733.86 km) |
| Muscle Shoals to Seveso | 4,846.13 mi (7,799.09 km) |
| Muscle Shoals to Sezze | 5,163.41 mi (8,309.70 km) |
| Muscle Shoals to Siano | 5,260.60 mi (8,466.11 km) |
| Muscle Shoals to Siena | 5,021.28 mi (8,080.97 km) |
| Muscle Shoals to Signa | 4,994.56 mi (8,037.97 km) |
| Muscle Shoals to Silea | 4,976.86 mi (8,009.48 km) |
| Muscle Shoals to Silvi Paese | 5,168.54 mi (8,317.97 km) |
| Muscle Shoals to Sinalunga | 5,042.15 mi (8,114.56 km) |
| Muscle Shoals to Siniscola | 5,049.30 mi (8,126.07 km) |
| Muscle Shoals to Sinnai | 5,073.12 mi (8,164.40 km) |
| Muscle Shoals to Siracusa | 5,433.77 mi (8,744.81 km) |
| Muscle Shoals to Solaro | 4,844.86 mi (7,797.05 km) |
| Muscle Shoals to Soliera | 4,952.85 mi (7,970.84 km) |
