| Boortmeerbeek to Settimo Torinese | 430.26 mi (692.43 km) |
| Boortmeerbeek to Seveso | 424.35 mi (682.92 km) |
| Boortmeerbeek to Sezze | 769.77 mi (1,238.82 km) |
| Boortmeerbeek to Siano | 853.85 mi (1,374.14 km) |
| Boortmeerbeek to Siena | 617.07 mi (993.07 km) |
| Boortmeerbeek to Signa | 583.34 mi (938.79 km) |
| Boortmeerbeek to Silea | 511.03 mi (822.42 km) |
| Boortmeerbeek to Silvi Paese | 736.16 mi (1,184.73 km) |
| Boortmeerbeek to Sinalunga | 633.02 mi (1,018.75 km) |
| Boortmeerbeek to Siniscola | 760.01 mi (1,223.12 km) |
| Boortmeerbeek to Sinnai | 837.66 mi (1,348.08 km) |
| Boortmeerbeek to Siracusa | 1,096.44 mi (1,764.55 km) |
| Boortmeerbeek to Solaro | 424.88 mi (683.78 km) |
| Boortmeerbeek to Soliera | 522.12 mi (840.27 km) |
| Boortmeerbeek to Solofra | 856.27 mi (1,378.04 km) |
