| Barbastro to Beyne-Heusay | 648.35 mi (1,043.41 km) |
| Barbastro to Bierbeek | 646.41 mi (1,040.30 km) |
| Barbastro to Bilzen | 661.45 mi (1,064.50 km) |
| Barbastro to Binche | 609.08 mi (980.21 km) |
| Barbastro to Bissegem | 624.13 mi (1,004.44 km) |
| Barbastro to Blankenberge | 655.44 mi (1,054.83 km) |
| Barbastro to Blegny | 653.06 mi (1,050.99 km) |
| Barbastro to Bocholt | 681.78 mi (1,097.22 km) |
| Barbastro to Boechout | 662.51 mi (1,066.21 km) |
| Barbastro to Bonheiden | 655.68 mi (1,055.21 km) |
| Barbastro to Boom | 656.47 mi (1,056.49 km) |
| Barbastro to Boortmeerbeek | 652.95 mi (1,050.82 km) |
| Barbastro to Borgerhout | 665.91 mi (1,071.67 km) |
| Barbastro to Borgloon | 654.26 mi (1,052.92 km) |
| Barbastro to Bornem | 655.67 mi (1,055.19 km) |
