| Saint-Martin-Boulogne to Beyne-Heusay | 176.08 mi (283.37 km) |
| Saint-Martin-Boulogne to Bierbeek | 137.13 mi (220.69 km) |
| Saint-Martin-Boulogne to Bilzen | 169.91 mi (273.44 km) |
| Saint-Martin-Boulogne to Binche | 113.49 mi (182.64 km) |
| Saint-Martin-Boulogne to Bissegem | 69.52 mi (111.88 km) |
| Saint-Martin-Boulogne to Blankenberge | 75.75 mi (121.91 km) |
| Saint-Martin-Boulogne to Blegny | 179.51 mi (288.90 km) |
| Saint-Martin-Boulogne to Bocholt | 174.54 mi (280.90 km) |
| Saint-Martin-Boulogne to Boechout | 127.54 mi (205.26 km) |
| Saint-Martin-Boulogne to Bonheiden | 128.24 mi (206.38 km) |
| Saint-Martin-Boulogne to Boom | 121.67 mi (195.81 km) |
| Saint-Martin-Boulogne to Boortmeerbeek | 129.22 mi (207.96 km) |
| Saint-Martin-Boulogne to Borgerhout | 126.72 mi (203.94 km) |
| Saint-Martin-Boulogne to Borgloon | 162.25 mi (261.12 km) |
| Saint-Martin-Boulogne to Bornem | 116.22 mi (187.04 km) |
