| Oud-Heverlee to Somma Lombardo | 401.15 mi (645.59 km) |
| Oud-Heverlee to Somma Vesuviana | 831.93 mi (1,338.87 km) |
| Oud-Heverlee to Sommacampagna | 471.11 mi (758.18 km) |
| Oud-Heverlee to Sona | 468.76 mi (754.40 km) |
| Oud-Heverlee to Sondrio | 400.50 mi (644.54 km) |
| Oud-Heverlee to Sora | 760.01 mi (1,223.12 km) |
| Oud-Heverlee to Sorbolo | 492.62 mi (792.80 km) |
| Oud-Heverlee to Soresina | 451.77 mi (727.05 km) |
| Oud-Heverlee to Sorisole | 420.01 mi (675.94 km) |
| Oud-Heverlee to Sorrento | 844.81 mi (1,359.59 km) |
| Oud-Heverlee to Sorso | 718.20 mi (1,155.83 km) |
| Oud-Heverlee to Sortino | 1,073.30 mi (1,727.31 km) |
| Oud-Heverlee to Soverato Marina | 1,019.31 mi (1,640.42 km) |
| Oud-Heverlee to Sovicille | 605.79 mi (974.93 km) |
| Oud-Heverlee to Spello | 659.87 mi (1,061.95 km) |
