| Bilbao to Bingol | 2,256.38 mi (3,631.29 km) |
| Bilbao to Birecik | 2,180.31 mi (3,508.86 km) |
| Bilbao to Bitlis | 2,349.34 mi (3,780.89 km) |
| Bilbao to Bodrum | 1,649.36 mi (2,654.39 km) |
| Bilbao to Bogazliyan | 1,985.86 mi (3,195.93 km) |
| Bilbao to Bolu | 1,769.04 mi (2,846.99 km) |
| Bilbao to Bolvadin | 1,786.78 mi (2,875.54 km) |
| Bilbao to Bor | 1,985.16 mi (3,194.80 km) |
| Bilbao to Borcka | 2,255.56 mi (3,629.97 km) |
| Bilbao to Boyabat | 1,912.09 mi (3,077.21 km) |
| Bilbao to Bozdogan | 1,676.09 mi (2,697.40 km) |
| Bilbao to Bozkir | 1,887.38 mi (3,037.45 km) |
| Bilbao to Bozkurt | 1,737.90 mi (2,796.88 km) |
| Bilbao to Bozuyuk | 1,707.86 mi (2,748.54 km) |
| Bilbao to Bucak | 1,796.84 mi (2,891.74 km) |
