| Montrouge to Beyne-Heusay | 193.78 mi (311.86 km) |
| Montrouge to Bierbeek | 176.84 mi (284.59 km) |
| Montrouge to Bilzen | 200.76 mi (323.09 km) |
| Montrouge to Binche | 137.04 mi (220.54 km) |
| Montrouge to Bissegem | 143.79 mi (231.41 km) |
| Montrouge to Blankenberge | 175.13 mi (281.84 km) |
| Montrouge to Blegny | 198.79 mi (319.92 km) |
| Montrouge to Bocholt | 217.70 mi (350.35 km) |
| Montrouge to Boechout | 187.60 mi (301.91 km) |
| Montrouge to Bonheiden | 181.97 mi (292.86 km) |
| Montrouge to Boom | 181.03 mi (291.34 km) |
| Montrouge to Boortmeerbeek | 179.92 mi (289.56 km) |
| Montrouge to Borgerhout | 190.30 mi (306.26 km) |
| Montrouge to Borgloon | 192.22 mi (309.34 km) |
| Montrouge to Bornem | 179.14 mi (288.30 km) |
