| Kastamonu to Borgosatollo | 1,209.79 mi (1,946.97 km) |
| Kastamonu to Borgosesia | 1,306.22 mi (2,102.16 km) |
| Kastamonu to Boscoreale | 1,003.76 mi (1,615.40 km) |
| Kastamonu to Boscotrecase | 1,004.45 mi (1,616.50 km) |
| Kastamonu to Botticino Sera | 1,210.47 mi (1,948.07 km) |
| Kastamonu to Bovalino Marina | 959.64 mi (1,544.39 km) |
| Kastamonu to Boves | 1,338.13 mi (2,153.51 km) |
| Kastamonu to Boville Ernica | 1,048.50 mi (1,687.40 km) |
| Kastamonu to Bovisio Masciago | 1,263.17 mi (2,032.87 km) |
| Kastamonu to Bovolone | 1,165.19 mi (1,875.19 km) |
| Kastamonu to Bra | 1,323.44 mi (2,129.88 km) |
| Kastamonu to Bracciano | 1,111.44 mi (1,788.68 km) |
| Kastamonu to Brandizzo | 1,324.91 mi (2,132.24 km) |
| Kastamonu to Breganze | 1,147.66 mi (1,846.99 km) |
| Kastamonu to Brembate | 1,243.81 mi (2,001.71 km) |
