| Castelnau-le-Lez to Borsbeek | 523.26 mi (842.11 km) |
| Castelnau-le-Lez to Boussu | 469.60 mi (755.75 km) |
| Castelnau-le-Lez to Braine-l'Alleud | 487.17 mi (784.02 km) |
| Castelnau-le-Lez to Braine-le-Chateau | 487.16 mi (784.01 km) |
| Castelnau-le-Lez to Braine-le-Comte | 481.23 mi (774.46 km) |
| Castelnau-le-Lez to Brasschaat | 529.70 mi (852.47 km) |
| Castelnau-le-Lez to Brecht | 534.01 mi (859.40 km) |
| Castelnau-le-Lez to Bredene | 526.65 mi (847.56 km) |
| Castelnau-le-Lez to Bree | 523.85 mi (843.06 km) |
| Castelnau-le-Lez to Bruges | 524.13 mi (843.50 km) |
| Castelnau-le-Lez to Brussels | 498.59 mi (802.41 km) |
| Castelnau-le-Lez to Buggenhout | 508.93 mi (819.05 km) |
| Castelnau-le-Lez to Chapelle-lez-Herlaimont | 472.23 mi (759.99 km) |
| Castelnau-le-Lez to Charleroi | 467.95 mi (753.10 km) |
| Castelnau-le-Lez to Chatelet | 468.18 mi (753.46 km) |
