| Bilbao to Bierun | 1,141.13 mi (1,836.47 km) |
| Bilbao to Bierun Stary | 1,139.99 mi (1,834.64 km) |
| Bilbao to Bilgoraj | 1,303.44 mi (2,097.69 km) |
| Bilbao to Biskupiec | 1,305.56 mi (2,101.10 km) |
| Bilbao to Blachownia | 1,148.86 mi (1,848.90 km) |
| Bilbao to Blonie | 1,248.29 mi (2,008.93 km) |
| Bilbao to Bochnia | 1,195.57 mi (1,924.09 km) |
| Bilbao to Bogatynia | 989.60 mi (1,592.61 km) |
| Bilbao to Boguszow-Gorce | 1,035.23 mi (1,666.04 km) |
| Bilbao to Boleslawiec | 1,024.17 mi (1,648.25 km) |
| Bilbao to Braniewo | 1,279.92 mi (2,059.84 km) |
| Bilbao to Brodnica | 1,229.45 mi (1,978.61 km) |
| Bilbao to Brwinow | 1,250.88 mi (2,013.10 km) |
| Bilbao to Brzeg | 1,089.82 mi (1,753.89 km) |
| Bilbao to Brzeg Dolny | 1,069.70 mi (1,721.52 km) |
