| Portet-sur-Garonne to Beyne-Heusay | 529.10 mi (851.51 km) |
| Portet-sur-Garonne to Bierbeek | 529.10 mi (851.51 km) |
| Portet-sur-Garonne to Bilzen | 542.72 mi (873.42 km) |
| Portet-sur-Garonne to Binche | 492.64 mi (792.83 km) |
| Portet-sur-Garonne to Bissegem | 511.10 mi (822.54 km) |
| Portet-sur-Garonne to Blankenberge | 543.29 mi (874.35 km) |
| Portet-sur-Garonne to Blegny | 533.74 mi (858.97 km) |
| Portet-sur-Garonne to Bocholt | 563.30 mi (906.54 km) |
| Portet-sur-Garonne to Boechout | 546.26 mi (879.12 km) |
| Portet-sur-Garonne to Bonheiden | 539.16 mi (867.70 km) |
| Portet-sur-Garonne to Boom | 540.42 mi (869.73 km) |
| Portet-sur-Garonne to Boortmeerbeek | 536.29 mi (863.07 km) |
| Portet-sur-Garonne to Borgerhout | 549.84 mi (884.88 km) |
| Portet-sur-Garonne to Borgloon | 535.75 mi (862.20 km) |
| Portet-sur-Garonne to Bornem | 539.98 mi (869.01 km) |
