| Grez-Doiceau to Borsbeek | 33.60 mi (54.07 km) |
| Grez-Doiceau to Boussu | 44.75 mi (72.02 km) |
| Grez-Doiceau to Braine-l'Alleud | 14.82 mi (23.85 km) |
| Grez-Doiceau to Braine-le-Chateau | 19.27 mi (31.01 km) |
| Grez-Doiceau to Braine-le-Comte | 26.47 mi (42.60 km) |
| Grez-Doiceau to Brasschaat | 39.75 mi (63.97 km) |
| Grez-Doiceau to Brecht | 42.71 mi (68.73 km) |
| Grez-Doiceau to Bredene | 82.59 mi (132.91 km) |
| Grez-Doiceau to Bree | 47.36 mi (76.22 km) |
| Grez-Doiceau to Bruges | 72.13 mi (116.08 km) |
| Grez-Doiceau to Brussels | 17.08 mi (27.49 km) |
| Grez-Doiceau to Buggenhout | 28.55 mi (45.94 km) |
| Grez-Doiceau to Chapelle-lez-Herlaimont | 25.95 mi (41.76 km) |
| Grez-Doiceau to Charleroi | 25.83 mi (41.57 km) |
| Grez-Doiceau to Chatelet | 24.39 mi (39.26 km) |
