| Kastamonu to Blumberg | 1,312.37 mi (2,112.06 km) |
| Kastamonu to Bobenheim-Roxheim | 1,346.93 mi (2,167.67 km) |
| Kastamonu to Bobingen | 1,215.83 mi (1,956.69 km) |
| Kastamonu to Boblingen | 1,302.89 mi (2,096.80 km) |
| Kastamonu to Bocholt | 1,465.44 mi (2,358.40 km) |
| Kastamonu to Bochum | 1,433.33 mi (2,306.72 km) |
| Kastamonu to Bockenem | 1,330.52 mi (2,141.27 km) |
| Kastamonu to Bockhorn | 1,450.73 mi (2,334.72 km) |
| Kastamonu to Bogen | 1,147.09 mi (1,846.06 km) |
| Kastamonu to Bohl-Iggelheim | 1,345.44 mi (2,165.27 km) |
| Kastamonu to Bohmte | 1,410.84 mi (2,270.54 km) |
| Kastamonu to Boizenburg | 1,350.10 mi (2,172.78 km) |
| Kastamonu to Bonen | 1,413.92 mi (2,275.49 km) |
| Kastamonu to Bonn | 1,422.41 mi (2,289.15 km) |
| Kastamonu to Bopfingen | 1,246.95 mi (2,006.77 km) |
