| Southbourne to Sestu | 949.55 mi (1,528.15 km) |
| Southbourne to Settimo Torinese | 586.70 mi (944.20 km) |
| Southbourne to Seveso | 612.95 mi (986.44 km) |
| Southbourne to Sezze | 952.28 mi (1,532.55 km) |
| Southbourne to Siano | 1,045.41 mi (1,682.42 km) |
| Southbourne to Siena | 800.55 mi (1,288.36 km) |
| Southbourne to Signa | 769.99 mi (1,239.18 km) |
| Southbourne to Silea | 735.95 mi (1,184.39 km) |
| Southbourne to Silvi Paese | 939.52 mi (1,512.01 km) |
| Southbourne to Sinalunga | 819.96 mi (1,319.60 km) |
| Southbourne to Siniscola | 892.16 mi (1,435.79 km) |
| Southbourne to Sinnai | 952.37 mi (1,532.69 km) |
| Southbourne to Siracusa | 1,264.09 mi (2,034.36 km) |
| Southbourne to Solaro | 612.17 mi (985.19 km) |
| Southbourne to Soliera | 719.91 mi (1,158.59 km) |
