| Boortmeerbeek to Somma Lombardo | 412.32 mi (663.57 km) |
| Boortmeerbeek to Somma Vesuviana | 842.79 mi (1,356.33 km) |
| Boortmeerbeek to Sommacampagna | 481.89 mi (775.52 km) |
| Boortmeerbeek to Sona | 479.53 mi (771.73 km) |
| Boortmeerbeek to Sondrio | 411.33 mi (661.98 km) |
| Boortmeerbeek to Sora | 770.89 mi (1,240.63 km) |
| Boortmeerbeek to Sorbolo | 503.61 mi (810.48 km) |
| Boortmeerbeek to Soresina | 462.80 mi (744.80 km) |
| Boortmeerbeek to Sorisole | 431.00 mi (693.63 km) |
| Boortmeerbeek to Sorrento | 855.70 mi (1,377.12 km) |
| Boortmeerbeek to Sorso | 729.38 mi (1,173.82 km) |
| Boortmeerbeek to Sortino | 1,084.38 mi (1,745.15 km) |
| Boortmeerbeek to Soverato Marina | 1,030.10 mi (1,657.79 km) |
| Boortmeerbeek to Sovicille | 616.86 mi (992.74 km) |
| Boortmeerbeek to Spello | 670.73 mi (1,079.43 km) |
