| Castagneto Carducci to Settimo Torinese | 195.41 mi (314.48 km) |
| Castagneto Carducci to Seveso | 185.72 mi (298.89 km) |
| Castagneto Carducci to Sezze | 170.67 mi (274.67 km) |
| Castagneto Carducci to Siano | 266.22 mi (428.44 km) |
| Castagneto Carducci to Siena | 38.27 mi (61.60 km) |
| Castagneto Carducci to Signa | 49.43 mi (79.55 km) |
| Castagneto Carducci to Silea | 191.21 mi (307.71 km) |
| Castagneto Carducci to Silvi Paese | 183.12 mi (294.71 km) |
| Castagneto Carducci to Sinalunga | 57.19 mi (92.04 km) |
| Castagneto Carducci to Siniscola | 185.05 mi (297.81 km) |
| Castagneto Carducci to Sinnai | 276.66 mi (445.24 km) |
| Castagneto Carducci to Siracusa | 488.51 mi (786.17 km) |
| Castagneto Carducci to Solaro | 184.97 mi (297.69 km) |
| Castagneto Carducci to Soliera | 109.77 mi (176.65 km) |
| Castagneto Carducci to Solofra | 271.26 mi (436.55 km) |
