| Clay to Borsbeek | 4,491.94 mi (7,229.08 km) |
| Clay to Boussu | 4,485.39 mi (7,218.53 km) |
| Clay to Braine-l'Alleud | 4,501.78 mi (7,244.91 km) |
| Clay to Braine-le-Chateau | 4,497.49 mi (7,238.01 km) |
| Clay to Braine-le-Comte | 4,494.42 mi (7,233.07 km) |
| Clay to Brasschaat | 4,489.63 mi (7,225.36 km) |
| Clay to Brecht | 4,493.77 mi (7,232.03 km) |
| Clay to Bredene | 4,430.93 mi (7,130.89 km) |
| Clay to Bree | 4,537.41 mi (7,302.26 km) |
| Clay to Bruges | 4,441.52 mi (7,147.94 km) |
| Clay to Brussels | 4,496.43 mi (7,236.31 km) |
| Clay to Buggenhout | 4,486.13 mi (7,219.73 km) |
| Clay to Chapelle-lez-Herlaimont | 4,504.13 mi (7,248.70 km) |
| Clay to Charleroi | 4,512.03 mi (7,261.41 km) |
| Clay to Chatelet | 4,515.39 mi (7,266.82 km) |
