| Blackrock to Borgosesia | 830.76 mi (1,336.99 km) |
| Blackrock to Boscoreale | 1,293.97 mi (2,082.44 km) |
| Blackrock to Boscotrecase | 1,292.54 mi (2,080.13 km) |
| Blackrock to Botticino Sera | 908.74 mi (1,462.48 km) |
| Blackrock to Bovalino Marina | 1,490.53 mi (2,398.78 km) |
| Blackrock to Boves | 876.95 mi (1,411.31 km) |
| Blackrock to Boville Ernica | 1,213.25 mi (1,952.53 km) |
| Blackrock to Bovisio Masciago | 866.33 mi (1,394.22 km) |
| Blackrock to Bovolone | 954.30 mi (1,535.80 km) |
| Blackrock to Bra | 867.52 mi (1,396.14 km) |
| Blackrock to Bracciano | 1,146.21 mi (1,844.64 km) |
| Blackrock to Brandizzo | 842.85 mi (1,356.43 km) |
| Blackrock to Breganze | 949.81 mi (1,528.57 km) |
| Blackrock to Brembate | 881.24 mi (1,418.22 km) |
| Blackrock to Brescia | 908.02 mi (1,461.31 km) |
