| River Grove to Beyne-Heusay | 4,201.58 mi (6,761.79 km) |
| River Grove to Bierbeek | 4,160.81 mi (6,696.18 km) |
| River Grove to Bilzen | 4,187.56 mi (6,739.23 km) |
| River Grove to Binche | 4,153.70 mi (6,684.73 km) |
| River Grove to Bissegem | 4,103.19 mi (6,603.44 km) |
| River Grove to Blankenberge | 4,082.71 mi (6,570.49 km) |
| River Grove to Blegny | 4,202.87 mi (6,763.87 km) |
| River Grove to Bocholt | 4,178.87 mi (6,725.24 km) |
| River Grove to Boechout | 4,138.99 mi (6,661.06 km) |
| River Grove to Bonheiden | 4,144.98 mi (6,670.71 km) |
| River Grove to Boom | 4,137.00 mi (6,657.86 km) |
| River Grove to Boortmeerbeek | 4,148.00 mi (6,675.57 km) |
| River Grove to Borgerhout | 4,135.23 mi (6,655.00 km) |
| River Grove to Borgloon | 4,183.44 mi (6,732.59 km) |
| River Grove to Bornem | 4,131.43 mi (6,648.90 km) |
