| Castelnaudary to Borsbeek | 557.26 mi (896.83 km) |
| Castelnaudary to Boussu | 499.20 mi (803.38 km) |
| Castelnaudary to Braine-l'Alleud | 521.22 mi (838.83 km) |
| Castelnaudary to Braine-le-Chateau | 520.35 mi (837.43 km) |
| Castelnaudary to Braine-le-Comte | 513.46 mi (826.33 km) |
| Castelnaudary to Brasschaat | 563.59 mi (907.00 km) |
| Castelnaudary to Brecht | 568.85 mi (915.48 km) |
| Castelnaudary to Bredene | 548.99 mi (883.51 km) |
| Castelnaudary to Bree | 566.01 mi (910.91 km) |
| Castelnaudary to Bruges | 548.42 mi (882.60 km) |
| Castelnaudary to Brussels | 532.20 mi (856.49 km) |
| Castelnaudary to Buggenhout | 541.09 mi (870.79 km) |
| Castelnaudary to Chapelle-lez-Herlaimont | 505.95 mi (814.25 km) |
| Castelnaudary to Charleroi | 503.06 mi (809.60 km) |
| Castelnaudary to Chatelet | 503.99 mi (811.09 km) |
