| Gradignan to Bougival | 311.27 mi (500.94 km) |
| Gradignan to Bouguenais | 173.04 mi (278.48 km) |
| Gradignan to Boulogne-Billancourt | 311.47 mi (501.26 km) |
| Gradignan to Boulogne-sur-Mer | 424.17 mi (682.63 km) |
| Gradignan to Bourg-de-Peage | 277.81 mi (447.09 km) |
| Gradignan to Bourg-en-Bresse | 299.82 mi (482.52 km) |
| Gradignan to Bourg-la-Reine | 309.59 mi (498.24 km) |
| Gradignan to Bourg-les-Valence | 270.12 mi (434.71 km) |
| Gradignan to Bourges | 215.53 mi (346.87 km) |
| Gradignan to Bourgoin-Jallieu | 292.21 mi (470.26 km) |
| Gradignan to Bressuire | 142.98 mi (230.11 km) |
| Gradignan to Brest | 310.27 mi (499.34 km) |
| Gradignan to Bretigny-sur-Orge | 299.15 mi (481.43 km) |
| Gradignan to Breuillet | 293.49 mi (472.32 km) |
| Gradignan to Briancon | 355.25 mi (571.71 km) |
