| Alken to Boussu | 72.95 mi (117.40 km) |
| Alken to Braine-l'Alleud | 43.07 mi (69.31 km) |
| Alken to Braine-le-Chateau | 47.39 mi (76.27 km) |
| Alken to Braine-le-Comte | 54.79 mi (88.17 km) |
| Alken to Brasschaat | 45.74 mi (73.61 km) |
| Alken to Brecht | 43.91 mi (70.67 km) |
| Alken to Bredene | 104.25 mi (167.78 km) |
| Alken to Bree | 21.43 mi (34.49 km) |
| Alken to Bruges | 93.39 mi (150.29 km) |
| Alken to Brussels | 41.71 mi (67.13 km) |
| Alken to Buggenhout | 48.99 mi (78.84 km) |
| Alken to Chapelle-lez-Herlaimont | 53.03 mi (85.35 km) |
| Alken to Charleroi | 50.50 mi (81.28 km) |
| Alken to Chatelet | 47.79 mi (76.91 km) |
| Alken to Chaudfontaine | 24.74 mi (39.81 km) |
