| Boulogne-Billancourt to Borsbeek | 191.31 mi (307.88 km) |
| Boulogne-Billancourt to Boussu | 130.50 mi (210.02 km) |
| Boulogne-Billancourt to Braine-l'Alleud | 159.06 mi (255.97 km) |
| Boulogne-Billancourt to Braine-le-Chateau | 156.45 mi (251.78 km) |
| Boulogne-Billancourt to Braine-le-Comte | 148.36 mi (238.77 km) |
| Boulogne-Billancourt to Brasschaat | 196.92 mi (316.91 km) |
| Boulogne-Billancourt to Brecht | 203.54 mi (327.56 km) |
| Boulogne-Billancourt to Bredene | 168.89 mi (271.80 km) |
| Boulogne-Billancourt to Bree | 217.35 mi (349.80 km) |
| Boulogne-Billancourt to Bruges | 169.71 mi (273.12 km) |
| Boulogne-Billancourt to Brussels | 167.82 mi (270.08 km) |
| Boulogne-Billancourt to Buggenhout | 173.10 mi (278.58 km) |
| Boulogne-Billancourt to Chapelle-lez-Herlaimont | 145.09 mi (233.50 km) |
| Boulogne-Billancourt to Charleroi | 146.00 mi (234.97 km) |
| Boulogne-Billancourt to Chatelet | 148.54 mi (239.05 km) |
