| Bilbao to Bitonto | 1,012.22 mi (1,629.01 km) |
| Bilbao to Bitritto | 1,020.96 mi (1,643.07 km) |
| Bilbao to Bollate | 614.43 mi (988.82 km) |
| Bilbao to Bologna | 714.74 mi (1,150.27 km) |
| Bilbao to Bolzano | 732.86 mi (1,179.43 km) |
| Bilbao to Bomporto | 700.30 mi (1,127.03 km) |
| Bilbao to Bonate di Sopra | 637.51 mi (1,025.97 km) |
| Bilbao to Bondeno | 719.73 mi (1,158.29 km) |
| Bilbao to Bordighera | 531.47 mi (855.32 km) |
| Bilbao to Borgaro Torinese | 539.37 mi (868.03 km) |
| Bilbao to Borgo a Buggiano | 684.25 mi (1,101.20 km) |
| Bilbao to Borgo San Dalmazzo | 523.96 mi (843.23 km) |
| Bilbao to Borgo San Lorenzo | 716.51 mi (1,153.11 km) |
| Bilbao to Borgomanero | 585.76 mi (942.69 km) |
| Bilbao to Borgoricco | 750.45 mi (1,207.74 km) |
