| Castelsarrasin to Settimo Torinese | 336.20 mi (541.06 km) |
| Castelsarrasin to Seveso | 408.52 mi (657.45 km) |
| Castelsarrasin to Sezze | 630.82 mi (1,015.21 km) |
| Castelsarrasin to Siano | 727.22 mi (1,170.35 km) |
| Castelsarrasin to Siena | 513.01 mi (825.60 km) |
| Castelsarrasin to Signa | 497.42 mi (800.52 km) |
| Castelsarrasin to Silea | 558.89 mi (899.45 km) |
| Castelsarrasin to Silvi Paese | 661.57 mi (1,064.69 km) |
| Castelsarrasin to Sinalunga | 534.10 mi (859.56 km) |
| Castelsarrasin to Siniscola | 499.60 mi (804.03 km) |
| Castelsarrasin to Sinnai | 530.35 mi (853.52 km) |
| Castelsarrasin to Siracusa | 884.74 mi (1,423.85 km) |
| Castelsarrasin to Solaro | 405.57 mi (652.69 km) |
| Castelsarrasin to Soliera | 486.83 mi (783.48 km) |
| Castelsarrasin to Solofra | 733.95 mi (1,181.17 km) |
