| Portet-sur-Garonne to Borsbeek | 549.58 mi (884.46 km) |
| Portet-sur-Garonne to Boussu | 490.56 mi (789.48 km) |
| Portet-sur-Garonne to Braine-l'Alleud | 513.80 mi (826.87 km) |
| Portet-sur-Garonne to Braine-le-Chateau | 512.66 mi (825.05 km) |
| Portet-sur-Garonne to Braine-le-Comte | 505.52 mi (813.56 km) |
| Portet-sur-Garonne to Brasschaat | 555.83 mi (894.51 km) |
| Portet-sur-Garonne to Brecht | 561.36 mi (903.42 km) |
| Portet-sur-Garonne to Bredene | 537.83 mi (865.55 km) |
| Portet-sur-Garonne to Bree | 560.87 mi (902.63 km) |
| Portet-sur-Garonne to Bruges | 537.85 mi (865.58 km) |
| Portet-sur-Garonne to Brussels | 524.55 mi (844.19 km) |
| Portet-sur-Garonne to Buggenhout | 532.93 mi (857.67 km) |
| Portet-sur-Garonne to Chapelle-lez-Herlaimont | 498.53 mi (802.30 km) |
| Portet-sur-Garonne to Charleroi | 496.10 mi (798.39 km) |
| Portet-sur-Garonne to Chatelet | 497.23 mi (800.22 km) |
