| Barbastro to Bicaz | 1,317.01 mi (2,119.52 km) |
| Barbastro to Bistrita | 1,244.24 mi (2,002.41 km) |
| Barbastro to Blaj | 1,209.37 mi (1,946.30 km) |
| Barbastro to Bocsa | 1,098.93 mi (1,768.55 km) |
| Barbastro to Boldesti-Scaeni | 1,308.16 mi (2,105.27 km) |
| Barbastro to Bolintin Vale | 1,295.37 mi (2,084.70 km) |
| Barbastro to Borsa | 1,256.94 mi (2,022.85 km) |
| Barbastro to Botosani | 1,350.21 mi (2,172.96 km) |
| Barbastro to Brad | 1,155.50 mi (1,859.60 km) |
| Barbastro to Bragadiru | 1,306.28 mi (2,102.26 km) |
| Barbastro to Braila | 1,401.95 mi (2,256.22 km) |
| Barbastro to Brasov | 1,288.85 mi (2,074.20 km) |
| Barbastro to Breaza | 1,290.27 mi (2,076.49 km) |
| Barbastro to Bucharest | 1,312.50 mi (2,112.26 km) |
| Barbastro to Buftea | 1,304.65 mi (2,099.63 km) |
