| Gradignan to Brie-Comte-Robert | 310.91 mi (500.36 km) |
| Gradignan to Brignais | 268.59 mi (432.25 km) |
| Gradignan to Brignoles | 344.45 mi (554.34 km) |
| Gradignan to Brive-la-Gaillarde | 108.32 mi (174.32 km) |
| Gradignan to Bron | 277.05 mi (445.87 km) |
| Gradignan to Bruay-sur-l'Escaut | 434.10 mi (698.61 km) |
| Gradignan to Bruges | 7.62 mi (12.27 km) |
| Gradignan to Brumath | 479.27 mi (771.31 km) |
| Gradignan to Brunoy | 308.79 mi (496.94 km) |
| Gradignan to Bruz | 231.06 mi (371.86 km) |
| Gradignan to Bry-sur-Marne | 317.81 mi (511.46 km) |
| Gradignan to Bully-les-Mines | 421.37 mi (678.14 km) |
| Gradignan to Bures-sur-Yvette | 301.29 mi (484.88 km) |
| Gradignan to Bussy-Saint-Georges | 321.84 mi (517.95 km) |
| Gradignan to Buxerolles | 134.42 mi (216.32 km) |
