| Sonderborg to Borsbeek | 338.11 mi (544.13 km) |
| Sonderborg to Boussu | 398.39 mi (641.15 km) |
| Sonderborg to Braine-l'Alleud | 369.67 mi (594.93 km) |
| Sonderborg to Braine-le-Chateau | 372.22 mi (599.02 km) |
| Sonderborg to Braine-le-Comte | 380.31 mi (612.05 km) |
| Sonderborg to Brasschaat | 332.93 mi (535.81 km) |
| Sonderborg to Brecht | 325.97 mi (524.59 km) |
| Sonderborg to Bredene | 380.12 mi (611.74 km) |
| Sonderborg to Bree | 314.24 mi (505.72 km) |
| Sonderborg to Bruges | 373.75 mi (601.49 km) |
| Sonderborg to Brussels | 360.91 mi (580.82 km) |
| Sonderborg to Buggenhout | 356.57 mi (573.85 km) |
| Sonderborg to Chapelle-lez-Herlaimont | 383.99 mi (617.97 km) |
| Sonderborg to Charleroi | 384.09 mi (618.13 km) |
| Sonderborg to Chatelet | 382.06 mi (614.87 km) |
