| Kastamonu to Jicin | 1,079.90 mi (1,737.93 km) |
| Kastamonu to Jihlava | 1,038.05 mi (1,670.58 km) |
| Kastamonu to Jindrichuv Hradec | 1,054.85 mi (1,697.61 km) |
| Kastamonu to Jirkov | 1,156.64 mi (1,861.43 km) |
| Kastamonu to Kadan | 1,160.09 mi (1,866.99 km) |
| Kastamonu to Karlovy Vary | 1,172.10 mi (1,886.31 km) |
| Kastamonu to Karvina | 937.77 mi (1,509.20 km) |
| Kastamonu to Kladno | 1,120.32 mi (1,802.98 km) |
| Kastamonu to Klasterec nad Ohri | 1,164.35 mi (1,873.83 km) |
| Kastamonu to Klatovy | 1,132.63 mi (1,822.79 km) |
| Kastamonu to Kolin | 1,072.77 mi (1,726.45 km) |
| Kastamonu to Koprivnice | 943.54 mi (1,518.48 km) |
| Kastamonu to Kralupy nad Vltavou | 1,114.58 mi (1,793.75 km) |
| Kastamonu to Kraluv Dvur | 1,117.15 mi (1,797.88 km) |
| Kastamonu to Krnov | 978.20 mi (1,574.27 km) |
