| Civita Castellana to Settimo Torinese | 303.55 mi (488.52 km) |
| Civita Castellana to Seveso | 282.74 mi (455.02 km) |
| Civita Castellana to Sezze | 64.55 mi (103.88 km) |
| Civita Castellana to Siano | 156.84 mi (252.41 km) |
| Civita Castellana to Siena | 89.31 mi (143.74 km) |
| Civita Castellana to Signa | 122.20 mi (196.67 km) |
| Civita Castellana to Silea | 232.13 mi (373.57 km) |
| Civita Castellana to Silvi Paese | 88.80 mi (142.90 km) |
| Civita Castellana to Sinalunga | 72.28 mi (116.32 km) |
| Civita Castellana to Siniscola | 184.13 mi (296.34 km) |
| Civita Castellana to Sinnai | 266.25 mi (428.49 km) |
| Civita Castellana to Siracusa | 392.15 mi (631.11 km) |
| Civita Castellana to Solaro | 282.70 mi (454.97 km) |
| Civita Castellana to Soliera | 184.40 mi (296.77 km) |
| Civita Castellana to Solofra | 161.62 mi (260.11 km) |
