| Kastamonu to Juprelle | 1,488.08 mi (2,394.84 km) |
| Kastamonu to Jurbise | 1,553.29 mi (2,499.77 km) |
| Kastamonu to Kalmthout | 1,544.68 mi (2,485.92 km) |
| Kastamonu to Kampenhout | 1,533.52 mi (2,467.96 km) |
| Kastamonu to Kapelle-op-den-Bos | 1,542.51 mi (2,482.42 km) |
| Kastamonu to Kapellen | 1,544.89 mi (2,486.25 km) |
| Kastamonu to Kasterlee | 1,522.13 mi (2,449.62 km) |
| Kastamonu to Keerbergen | 1,531.13 mi (2,464.12 km) |
| Kastamonu to Kinrooi | 1,487.22 mi (2,393.45 km) |
| Kastamonu to Knokke-Heist | 1,593.28 mi (2,564.14 km) |
| Kastamonu to Koekelare | 1,602.27 mi (2,578.60 km) |
| Kastamonu to Koekelberg | 1,541.43 mi (2,480.70 km) |
| Kastamonu to Koksijde | 1,616.40 mi (2,601.35 km) |
| Kastamonu to Kontich | 1,540.98 mi (2,479.97 km) |
| Kastamonu to Kortemark | 1,598.61 mi (2,572.72 km) |
