| Kastamonu to Bitonto | 886.72 mi (1,427.05 km) |
| Kastamonu to Bitritto | 879.53 mi (1,415.46 km) |
| Kastamonu to Bollate | 1,264.41 mi (2,034.88 km) |
| Kastamonu to Bologna | 1,151.24 mi (1,852.74 km) |
| Kastamonu to Bolzano | 1,165.72 mi (1,876.04 km) |
| Kastamonu to Bomporto | 1,167.36 mi (1,878.68 km) |
| Kastamonu to Bonate di Sopra | 1,243.51 mi (2,001.23 km) |
| Kastamonu to Bondeno | 1,149.30 mi (1,849.63 km) |
| Kastamonu to Bordighera | 1,333.10 mi (2,145.42 km) |
| Kastamonu to Borgaro Torinese | 1,333.99 mi (2,146.86 km) |
| Kastamonu to Borgo a Buggiano | 1,180.19 mi (1,899.34 km) |
| Kastamonu to Borgo San Dalmazzo | 1,341.43 mi (2,158.82 km) |
| Kastamonu to Borgo San Lorenzo | 1,147.91 mi (1,847.38 km) |
| Kastamonu to Borgomanero | 1,296.51 mi (2,086.53 km) |
| Kastamonu to Borgoricco | 1,126.92 mi (1,813.61 km) |
