| Portet-sur-Garonne to Beuvry | 487.19 mi (784.05 km) |
| Portet-sur-Garonne to Beziers | 91.75 mi (147.66 km) |
| Portet-sur-Garonne to Bezons | 375.40 mi (604.15 km) |
| Portet-sur-Garonne to Biarritz | 148.67 mi (239.27 km) |
| Portet-sur-Garonne to Biganos | 141.48 mi (227.68 km) |
| Portet-sur-Garonne to Billere | 91.77 mi (147.69 km) |
| Portet-sur-Garonne to Biot | 284.83 mi (458.39 km) |
| Portet-sur-Garonne to Biscarrosse | 141.28 mi (227.37 km) |
| Portet-sur-Garonne to Bischheim | 464.77 mi (747.97 km) |
| Portet-sur-Garonne to Bischwiller | 475.74 mi (765.63 km) |
| Portet-sur-Garonne to Blagnac | 7.95 mi (12.79 km) |
| Portet-sur-Garonne to Blain | 313.31 mi (504.23 km) |
| Portet-sur-Garonne to Blanquefort | 139.45 mi (224.42 km) |
| Portet-sur-Garonne to Blois | 281.37 mi (452.83 km) |
| Portet-sur-Garonne to Bobigny | 375.58 mi (604.43 km) |
