| Somain to Somma Lombardo | 408.47 mi (657.36 km) |
| Somain to Somma Vesuviana | 846.75 mi (1,362.72 km) |
| Somain to Sommacampagna | 489.82 mi (788.29 km) |
| Somain to Sona | 487.58 mi (784.69 km) |
| Somain to Sondrio | 418.74 mi (673.89 km) |
| Somain to Sora | 774.54 mi (1,246.50 km) |
| Somain to Sorbolo | 506.02 mi (814.35 km) |
| Somain to Soresina | 464.23 mi (747.11 km) |
| Somain to Sorisole | 434.01 mi (698.47 km) |
| Somain to Sorrento | 858.67 mi (1,381.89 km) |
| Somain to Sorso | 707.95 mi (1,139.34 km) |
| Somain to Sortino | 1,080.88 mi (1,739.51 km) |
| Somain to Soverato Marina | 1,035.01 mi (1,665.68 km) |
| Somain to Sovicille | 615.94 mi (991.26 km) |
| Somain to Spello | 675.30 mi (1,086.79 km) |
