| Gretz-Armainvilliers to Borsbeek | 186.82 mi (300.65 km) |
| Gretz-Armainvilliers to Boussu | 126.21 mi (203.11 km) |
| Gretz-Armainvilliers to Braine-l'Alleud | 152.67 mi (245.70 km) |
| Gretz-Armainvilliers to Braine-le-Chateau | 150.64 mi (242.44 km) |
| Gretz-Armainvilliers to Braine-le-Comte | 142.86 mi (229.91 km) |
| Gretz-Armainvilliers to Brasschaat | 192.76 mi (310.22 km) |
| Gretz-Armainvilliers to Brecht | 198.96 mi (320.20 km) |
| Gretz-Armainvilliers to Bredene | 172.55 mi (277.69 km) |
| Gretz-Armainvilliers to Bree | 208.23 mi (335.11 km) |
| Gretz-Armainvilliers to Bruges | 171.89 mi (276.63 km) |
| Gretz-Armainvilliers to Brussels | 162.39 mi (261.35 km) |
| Gretz-Armainvilliers to Buggenhout | 169.17 mi (272.25 km) |
| Gretz-Armainvilliers to Chapelle-lez-Herlaimont | 137.93 mi (221.98 km) |
| Gretz-Armainvilliers to Charleroi | 137.59 mi (221.43 km) |
| Gretz-Armainvilliers to Chatelet | 139.69 mi (224.81 km) |
