| Boechout to Somma Lombardo | 424.16 mi (682.62 km) |
| Boechout to Somma Vesuviana | 854.11 mi (1,374.56 km) |
| Boechout to Sommacampagna | 493.11 mi (793.59 km) |
| Boechout to Sona | 490.75 mi (789.79 km) |
| Boechout to Sondrio | 422.65 mi (680.19 km) |
| Boechout to Sora | 782.25 mi (1,258.91 km) |
| Boechout to Sorbolo | 515.14 mi (829.03 km) |
| Boechout to Soresina | 474.39 mi (763.46 km) |
| Boechout to Sorisole | 442.54 mi (712.21 km) |
| Boechout to Sorrento | 867.08 mi (1,395.43 km) |
| Boechout to Sorso | 741.45 mi (1,193.25 km) |
| Boechout to Sortino | 1,096.05 mi (1,763.93 km) |
| Boechout to Soverato Marina | 1,041.33 mi (1,675.87 km) |
| Boechout to Sovicille | 628.50 mi (1,011.47 km) |
| Boechout to Spello | 682.06 mi (1,097.67 km) |
