| Biarritz to Borsbeek | 603.31 mi (970.94 km) |
| Biarritz to Boussu | 542.43 mi (872.95 km) |
| Biarritz to Braine-l'Alleud | 570.01 mi (917.35 km) |
| Biarritz to Braine-le-Chateau | 567.79 mi (913.76 km) |
| Biarritz to Braine-le-Comte | 559.85 mi (900.99 km) |
| Biarritz to Brasschaat | 609.01 mi (980.11 km) |
| Biarritz to Brecht | 615.53 mi (990.61 km) |
| Biarritz to Bredene | 575.97 mi (926.93 km) |
| Biarritz to Bree | 625.13 mi (1,006.05 km) |
| Biarritz to Bruges | 578.77 mi (931.45 km) |
| Biarritz to Brussels | 579.40 mi (932.45 km) |
| Biarritz to Buggenhout | 585.21 mi (941.80 km) |
| Biarritz to Chapelle-lez-Herlaimont | 555.40 mi (893.83 km) |
| Biarritz to Charleroi | 555.04 mi (893.25 km) |
| Biarritz to Chatelet | 557.04 mi (896.47 km) |
