| Trapani to Solofra | 231.02 mi (371.79 km) |
| Trapani to Somma Lombardo | 564.70 mi (908.79 km) |
| Trapani to Somma Vesuviana | 222.31 mi (357.77 km) |
| Trapani to Sommacampagna | 517.23 mi (832.40 km) |
| Trapani to Sona | 519.63 mi (836.27 km) |
| Trapani to Sondrio | 579.26 mi (932.23 km) |
| Trapani to Sora | 262.18 mi (421.93 km) |
| Trapani to Sorbolo | 483.77 mi (778.55 km) |
| Trapani to Soresina | 520.56 mi (837.77 km) |
| Trapani to Sorisole | 553.20 mi (890.29 km) |
| Trapani to Sorrento | 205.89 mi (331.35 km) |
| Trapani to Sorso | 284.74 mi (458.24 km) |
| Trapani to Sortino | 149.87 mi (241.20 km) |
| Trapani to Soverato Marina | 223.40 mi (359.53 km) |
| Trapani to Sovicille | 369.97 mi (595.41 km) |
