| Somma Vesuviana to Solofra | 21.76 mi (35.02 km) |
| Somma Vesuviana to Somma Lombardo | 439.95 mi (708.02 km) |
| Somma Vesuviana to Sommacampagna | 361.24 mi (581.36 km) |
| Somma Vesuviana to Sona | 363.63 mi (585.21 km) |
| Somma Vesuviana to Sondrio | 431.46 mi (694.37 km) |
| Somma Vesuviana to Sora | 72.21 mi (116.22 km) |
| Somma Vesuviana to Sorbolo | 340.77 mi (548.41 km) |
| Somma Vesuviana to Soresina | 382.52 mi (615.61 km) |
| Somma Vesuviana to Sorisole | 413.06 mi (664.76 km) |
| Somma Vesuviana to Sorrento | 17.23 mi (27.73 km) |
| Somma Vesuviana to Sorso | 306.30 mi (492.95 km) |
| Somma Vesuviana to Sortino | 258.04 mi (415.27 km) |
| Somma Vesuviana to Soverato Marina | 188.32 mi (303.07 km) |
| Somma Vesuviana to Sovicille | 233.92 mi (376.46 km) |
| Somma Vesuviana to Spello | 172.07 mi (276.92 km) |
