| Bilbao to Borsbeek | 648.85 mi (1,044.23 km) |
| Bilbao to Boussu | 588.26 mi (946.71 km) |
| Bilbao to Braine-l'Alleud | 616.92 mi (992.83 km) |
| Bilbao to Braine-le-Chateau | 614.34 mi (988.69 km) |
| Bilbao to Braine-le-Comte | 606.25 mi (975.66 km) |
| Bilbao to Brasschaat | 654.28 mi (1,052.96 km) |
| Bilbao to Brecht | 661.06 mi (1,063.87 km) |
| Bilbao to Bredene | 616.21 mi (991.70 km) |
| Bilbao to Bree | 674.08 mi (1,084.83 km) |
| Bilbao to Bruges | 620.02 mi (997.82 km) |
| Bilbao to Brussels | 625.68 mi (1,006.93 km) |
| Bilbao to Buggenhout | 630.49 mi (1,014.67 km) |
| Bilbao to Chapelle-lez-Herlaimont | 602.76 mi (970.05 km) |
| Bilbao to Charleroi | 603.12 mi (970.63 km) |
| Bilbao to Chatelet | 605.39 mi (974.27 km) |
