| Blackrock to Brie-Comte-Robert | 496.85 mi (799.61 km) |
| Blackrock to Brignais | 718.51 mi (1,156.34 km) |
| Blackrock to Brignoles | 882.53 mi (1,420.29 km) |
| Blackrock to Brive-la-Gaillarde | 660.64 mi (1,063.20 km) |
| Blackrock to Bron | 719.87 mi (1,158.53 km) |
| Blackrock to Bruay-sur-l'Escaut | 460.19 mi (740.60 km) |
| Blackrock to Bruges | 633.37 mi (1,019.30 km) |
| Blackrock to Brumath | 679.58 mi (1,093.68 km) |
| Blackrock to Brunoy | 493.05 mi (793.49 km) |
| Blackrock to Bruz | 412.85 mi (664.42 km) |
| Blackrock to Bry-sur-Marne | 486.90 mi (783.59 km) |
| Blackrock to Bully-les-Mines | 427.67 mi (688.28 km) |
| Blackrock to Bures-sur-Yvette | 481.85 mi (775.46 km) |
| Blackrock to Bussy-Saint-Georges | 492.77 mi (793.04 km) |
| Blackrock to Buxerolles | 546.08 mi (878.83 km) |
