| Grimbergen to Borgosesia | 402.03 mi (647.00 km) |
| Grimbergen to Boscoreale | 852.52 mi (1,371.99 km) |
| Grimbergen to Boscotrecase | 851.08 mi (1,369.69 km) |
| Grimbergen to Botticino Sera | 459.79 mi (739.95 km) |
| Grimbergen to Bovalino Marina | 1,053.94 mi (1,696.15 km) |
| Grimbergen to Boves | 479.14 mi (771.10 km) |
| Grimbergen to Boville Ernica | 772.99 mi (1,244.00 km) |
| Grimbergen to Bovisio Masciago | 427.56 mi (688.09 km) |
| Grimbergen to Bovolone | 500.80 mi (805.96 km) |
| Grimbergen to Bra | 459.60 mi (739.65 km) |
| Grimbergen to Bracciano | 713.26 mi (1,147.88 km) |
| Grimbergen to Brandizzo | 428.43 mi (689.50 km) |
| Grimbergen to Breganze | 489.13 mi (787.17 km) |
| Grimbergen to Brembate | 438.23 mi (705.26 km) |
| Grimbergen to Brescia | 459.12 mi (738.87 km) |
