| Gretz-Armainvilliers to Beyne-Heusay | 183.79 mi (295.78 km) |
| Gretz-Armainvilliers to Bierbeek | 170.62 mi (274.59 km) |
| Gretz-Armainvilliers to Bilzen | 192.23 mi (309.37 km) |
| Gretz-Armainvilliers to Binche | 131.36 mi (211.41 km) |
| Gretz-Armainvilliers to Bissegem | 145.02 mi (233.38 km) |
| Gretz-Armainvilliers to Blankenberge | 177.62 mi (285.84 km) |
| Gretz-Armainvilliers to Blegny | 188.81 mi (303.86 km) |
| Gretz-Armainvilliers to Bocholt | 210.23 mi (338.33 km) |
| Gretz-Armainvilliers to Boechout | 183.70 mi (295.63 km) |
| Gretz-Armainvilliers to Bonheiden | 177.46 mi (285.60 km) |
| Gretz-Armainvilliers to Boom | 177.37 mi (285.45 km) |
| Gretz-Armainvilliers to Boortmeerbeek | 175.09 mi (281.78 km) |
| Gretz-Armainvilliers to Borgerhout | 186.77 mi (300.58 km) |
| Gretz-Armainvilliers to Borgloon | 183.92 mi (295.99 km) |
| Gretz-Armainvilliers to Bornem | 176.09 mi (283.39 km) |
