| Boucau to Bitritto | 949.85 mi (1,528.63 km) |
| Boucau to Bollate | 540.20 mi (869.37 km) |
| Boucau to Bologna | 640.40 mi (1,030.62 km) |
| Boucau to Bolzano | 659.19 mi (1,060.86 km) |
| Boucau to Bomporto | 625.88 mi (1,007.25 km) |
| Boucau to Bonate di Sopra | 563.33 mi (906.60 km) |
| Boucau to Bondeno | 645.28 mi (1,038.47 km) |
| Boucau to Bordighera | 457.71 mi (736.61 km) |
| Boucau to Borgaro Torinese | 465.01 mi (748.36 km) |
| Boucau to Borgo a Buggiano | 610.33 mi (982.23 km) |
| Boucau to Borgo San Dalmazzo | 449.62 mi (723.59 km) |
| Boucau to Borgo San Lorenzo | 642.51 mi (1,034.02 km) |
| Boucau to Borgomanero | 511.74 mi (823.57 km) |
| Boucau to Borgoricco | 676.06 mi (1,088.01 km) |
| Boucau to Borgosatollo | 592.85 mi (954.10 km) |
