| Boucau to Bagnolet | 413.73 mi (665.84 km) |
| Boucau to Bagnols-sur-Ceze | 307.43 mi (494.75 km) |
| Boucau to Bailleul | 536.24 mi (862.99 km) |
| Boucau to Balma | 149.56 mi (240.70 km) |
| Boucau to Bar-le-Duc | 482.26 mi (776.12 km) |
| Boucau to Barentin | 431.80 mi (694.92 km) |
| Boucau to Basse-Goulaine | 255.07 mi (410.50 km) |
| Boucau to Bastia | 554.17 mi (891.85 km) |
| Boucau to Bayeux | 399.37 mi (642.73 km) |
| Boucau to Bayonne | 2.35 mi (3.78 km) |
| Boucau to Beaucaire | 306.94 mi (493.97 km) |
| Boucau to Beauchamp | 417.89 mi (672.53 km) |
| Boucau to Beaumont | 272.28 mi (438.20 km) |
| Boucau to Beaumont-sur-Oise | 427.79 mi (688.46 km) |
| Boucau to Beaune | 391.12 mi (629.45 km) |
