| Blackrock to Beyne-Heusay | 535.89 mi (862.44 km) |
| Blackrock to Bierbeek | 494.54 mi (795.88 km) |
| Blackrock to Bilzen | 523.53 mi (842.54 km) |
| Blackrock to Binche | 484.29 mi (779.40 km) |
| Blackrock to Bissegem | 434.03 mi (698.51 km) |
| Blackrock to Blankenberge | 415.98 mi (669.45 km) |
| Blackrock to Blegny | 537.77 mi (865.46 km) |
| Blackrock to Bocholt | 518.09 mi (833.78 km) |
| Blackrock to Boechout | 474.53 mi (763.68 km) |
| Blackrock to Bonheiden | 479.66 mi (771.94 km) |
| Blackrock to Boom | 471.65 mi (759.04 km) |
| Blackrock to Boortmeerbeek | 482.36 mi (776.29 km) |
| Blackrock to Borgerhout | 471.21 mi (758.34 km) |
| Blackrock to Borgloon | 518.38 mi (834.26 km) |
| Blackrock to Bornem | 465.87 mi (749.74 km) |
