| Ilhavo to Sestu | 943.29 mi (1,518.08 km) |
| Ilhavo to Settimo Torinese | 887.23 mi (1,427.86 km) |
| Ilhavo to Seveso | 960.57 mi (1,545.89 km) |
| Ilhavo to Sezze | 1,131.16 mi (1,820.42 km) |
| Ilhavo to Siano | 1,220.12 mi (1,963.59 km) |
| Ilhavo to Siena | 1,041.88 mi (1,676.74 km) |
| Ilhavo to Signa | 1,032.85 mi (1,662.21 km) |
| Ilhavo to Silea | 1,109.50 mi (1,785.56 km) |
| Ilhavo to Silvi Paese | 1,181.70 mi (1,901.75 km) |
| Ilhavo to Sinalunga | 1,061.68 mi (1,708.61 km) |
| Ilhavo to Siniscola | 961.77 mi (1,547.81 km) |
| Ilhavo to Sinnai | 949.09 mi (1,527.41 km) |
| Ilhavo to Siracusa | 1,307.86 mi (2,104.80 km) |
| Ilhavo to Solaro | 957.57 mi (1,541.06 km) |
| Ilhavo to Soliera | 1,032.65 mi (1,661.89 km) |
