| Silves to Sestu | 960.87 mi (1,546.38 km) |
| Silves to Settimo Torinese | 1,003.13 mi (1,614.38 km) |
| Silves to Seveso | 1,078.39 mi (1,735.50 km) |
| Silves to Sezze | 1,183.70 mi (1,904.99 km) |
| Silves to Siano | 1,263.21 mi (2,032.94 km) |
| Silves to Siena | 1,121.85 mi (1,805.44 km) |
| Silves to Signa | 1,119.80 mi (1,802.15 km) |
| Silves to Silea | 1,218.17 mi (1,960.46 km) |
| Silves to Silvi Paese | 1,247.86 mi (2,008.24 km) |
| Silves to Sinalunga | 1,139.56 mi (1,833.94 km) |
| Silves to Siniscola | 1,001.13 mi (1,611.16 km) |
| Silves to Sinnai | 966.83 mi (1,555.96 km) |
| Silves to Siracusa | 1,303.61 mi (2,097.96 km) |
| Silves to Solaro | 1,075.20 mi (1,730.37 km) |
| Silves to Soliera | 1,133.08 mi (1,823.52 km) |
