| Boucau to Barcellona-Pozzo di Gotto | 946.64 mi (1,523.47 km) |
| Boucau to Bareggio | 532.76 mi (857.39 km) |
| Boucau to Barga | 597.54 mi (961.65 km) |
| Boucau to Bari | 950.06 mi (1,528.97 km) |
| Boucau to Barletta | 917.28 mi (1,476.22 km) |
| Boucau to Baronissi | 853.29 mi (1,373.24 km) |
| Boucau to Barrafranca | 925.98 mi (1,490.22 km) |
| Boucau to Bassano del Grappa | 667.28 mi (1,073.89 km) |
| Boucau to Battipaglia | 866.71 mi (1,394.84 km) |
| Boucau to Beinasco | 460.17 mi (740.57 km) |
| Boucau to Bellinzago Novarese | 517.78 mi (833.29 km) |
| Boucau to Belluno | 694.38 mi (1,117.50 km) |
| Boucau to Belmonte Mezzagno | 863.26 mi (1,389.28 km) |
| Boucau to Belpasso | 954.84 mi (1,536.66 km) |
| Boucau to Belvedere Marittimo | 934.75 mi (1,504.34 km) |
