| Castrolibero to Borgosatollo | 522.73 mi (841.25 km) |
| Castrolibero to Borgosesia | 598.38 mi (962.99 km) |
| Castrolibero to Boscoreale | 135.21 mi (217.60 km) |
| Castrolibero to Boscotrecase | 136.64 mi (219.90 km) |
| Castrolibero to Botticino Sera | 526.06 mi (846.62 km) |
| Castrolibero to Bovalino Marina | 80.63 mi (129.76 km) |
| Castrolibero to Boves | 563.82 mi (907.38 km) |
| Castrolibero to Boville Ernica | 215.90 mi (347.46 km) |
| Castrolibero to Bovisio Masciago | 563.97 mi (907.62 km) |
| Castrolibero to Bovolone | 484.67 mi (780.01 km) |
| Castrolibero to Bra | 567.02 mi (912.53 km) |
| Castrolibero to Bracciano | 284.96 mi (458.61 km) |
| Castrolibero to Brandizzo | 588.34 mi (946.84 km) |
| Castrolibero to Breganze | 500.00 mi (804.66 km) |
| Castrolibero to Brembate | 550.38 mi (885.75 km) |
