| Soma to Sestu | 989.14 mi (1,591.87 km) |
| Soma to Settimo Torinese | 1,092.52 mi (1,758.24 km) |
| Soma to Seveso | 1,039.18 mi (1,672.40 km) |
| Soma to Sezze | 781.28 mi (1,257.34 km) |
| Soma to Siano | 691.97 mi (1,113.62 km) |
| Soma to Siena | 890.63 mi (1,433.33 km) |
| Soma to Signa | 909.62 mi (1,463.89 km) |
| Soma to Silea | 897.58 mi (1,444.51 km) |
| Soma to Silvi Paese | 741.25 mi (1,192.93 km) |
| Soma to Sinalunga | 869.34 mi (1,399.07 km) |
| Soma to Siniscola | 952.89 mi (1,533.52 km) |
| Soma to Sinnai | 983.20 mi (1,582.31 km) |
| Soma to Siracusa | 684.91 mi (1,102.25 km) |
| Soma to Solaro | 1,041.00 mi (1,675.32 km) |
| Soma to Soliera | 936.75 mi (1,507.55 km) |
