| Grays to Borsbeek | 180.26 mi (290.09 km) |
| Grays to Boussu | 167.13 mi (268.98 km) |
| Grays to Braine-l'Alleud | 183.80 mi (295.80 km) |
| Grays to Braine-le-Chateau | 179.40 mi (288.71 km) |
| Grays to Braine-le-Comte | 175.93 mi (283.13 km) |
| Grays to Brasschaat | 179.77 mi (289.32 km) |
| Grays to Brecht | 185.62 mi (298.73 km) |
| Grays to Bredene | 115.36 mi (185.65 km) |
| Grays to Bree | 228.10 mi (367.09 km) |
| Grays to Bruges | 126.25 mi (203.18 km) |
| Grays to Brussels | 179.60 mi (289.03 km) |
| Grays to Buggenhout | 170.58 mi (274.52 km) |
| Grays to Chapelle-lez-Herlaimont | 185.55 mi (298.61 km) |
| Grays to Charleroi | 193.45 mi (311.33 km) |
| Grays to Chatelet | 196.81 mi (316.73 km) |
