| Boucau to Bouguenais | 252.54 mi (406.43 km) |
| Boucau to Boulogne-Billancourt | 407.90 mi (656.46 km) |
| Boucau to Boulogne-sur-Mer | 518.46 mi (834.38 km) |
| Boucau to Bourg-de-Peage | 339.73 mi (546.75 km) |
| Boucau to Bourg-en-Bresse | 377.30 mi (607.21 km) |
| Boucau to Bourg-la-Reine | 406.07 mi (653.50 km) |
| Boucau to Bourg-les-Valence | 330.79 mi (532.36 km) |
| Boucau to Bourges | 309.98 mi (498.86 km) |
| Boucau to Bourgoin-Jallieu | 361.91 mi (582.44 km) |
| Boucau to Bressuire | 234.23 mi (376.96 km) |
| Boucau to Brest | 365.80 mi (588.70 km) |
| Boucau to Bretigny-sur-Orge | 395.64 mi (636.72 km) |
| Boucau to Breuillet | 389.96 mi (627.59 km) |
| Boucau to Briancon | 413.06 mi (664.75 km) |
| Boucau to Brie-Comte-Robert | 407.38 mi (655.61 km) |
