| Westerlo to Somma Lombardo | 411.38 mi (662.05 km) |
| Westerlo to Somma Vesuviana | 839.11 mi (1,350.41 km) |
| Westerlo to Sommacampagna | 477.92 mi (769.14 km) |
| Westerlo to Sona | 475.55 mi (765.32 km) |
| Westerlo to Sondrio | 407.75 mi (656.21 km) |
| Westerlo to Sora | 767.36 mi (1,234.95 km) |
| Westerlo to Sorbolo | 500.87 mi (806.07 km) |
| Westerlo to Soresina | 460.42 mi (740.97 km) |
| Westerlo to Sorisole | 428.37 mi (689.39 km) |
| Westerlo to Sorrento | 852.24 mi (1,371.55 km) |
| Westerlo to Sorso | 731.82 mi (1,177.76 km) |
| Westerlo to Sortino | 1,082.25 mi (1,741.71 km) |
| Westerlo to Soverato Marina | 1,026.05 mi (1,651.27 km) |
| Westerlo to Sovicille | 614.63 mi (989.15 km) |
| Westerlo to Spello | 667.13 mi (1,073.63 km) |
