| Roskilde to Borsbeek | 438.21 mi (705.24 km) |
| Roskilde to Boussu | 497.79 mi (801.12 km) |
| Roskilde to Braine-l'Alleud | 468.42 mi (753.86 km) |
| Roskilde to Braine-le-Chateau | 471.24 mi (758.39 km) |
| Roskilde to Braine-le-Comte | 479.41 mi (771.54 km) |
| Roskilde to Brasschaat | 433.31 mi (697.35 km) |
| Roskilde to Brecht | 426.20 mi (685.90 km) |
| Roskilde to Bredene | 482.67 mi (776.78 km) |
| Roskilde to Bree | 410.89 mi (661.26 km) |
| Roskilde to Bruges | 475.99 mi (766.02 km) |
| Roskilde to Brussels | 460.23 mi (740.66 km) |
| Roskilde to Buggenhout | 456.71 mi (735.00 km) |
| Roskilde to Chapelle-lez-Herlaimont | 482.30 mi (776.18 km) |
| Roskilde to Charleroi | 481.78 mi (775.34 km) |
| Roskilde to Chatelet | 479.51 mi (771.70 km) |
