| Gagnef to Borsbeek | 766.31 mi (1,233.26 km) |
| Gagnef to Boussu | 827.17 mi (1,331.21 km) |
| Gagnef to Braine-l'Alleud | 800.39 mi (1,288.10 km) |
| Gagnef to Braine-le-Chateau | 802.32 mi (1,291.20 km) |
| Gagnef to Braine-le-Comte | 810.11 mi (1,303.75 km) |
| Gagnef to Brasschaat | 760.51 mi (1,223.93 km) |
| Gagnef to Brecht | 754.12 mi (1,213.63 km) |
| Gagnef to Bredene | 796.45 mi (1,281.76 km) |
| Gagnef to Bree | 748.96 mi (1,205.34 km) |
| Gagnef to Bruges | 792.41 mi (1,275.27 km) |
| Gagnef to Brussels | 790.56 mi (1,272.29 km) |
| Gagnef to Buggenhout | 784.29 mi (1,262.19 km) |
| Gagnef to Chapelle-lez-Herlaimont | 815.32 mi (1,312.13 km) |
| Gagnef to Charleroi | 816.50 mi (1,314.03 km) |
| Gagnef to Chatelet | 814.88 mi (1,311.42 km) |
