| Katy to Jicin | 5,488.86 mi (8,833.47 km) |
| Katy to Jihlava | 5,538.42 mi (8,913.23 km) |
| Katy to Jindrichuv Hradec | 5,526.74 mi (8,894.43 km) |
| Katy to Jirkov | 5,416.95 mi (8,717.74 km) |
| Katy to Kadan | 5,415.14 mi (8,714.83 km) |
| Katy to Karlovy Vary | 5,405.86 mi (8,699.89 km) |
| Katy to Karvina | 5,627.02 mi (9,055.81 km) |
| Katy to Kladno | 5,454.29 mi (8,777.83 km) |
| Katy to Klasterec nad Ohri | 5,411.13 mi (8,708.37 km) |
| Katy to Klatovy | 5,453.16 mi (8,776.02 km) |
| Katy to Kolin | 5,499.39 mi (8,850.41 km) |
| Katy to Koprivnice | 5,623.33 mi (9,049.87 km) |
| Katy to Kralupy nad Vltavou | 5,458.56 mi (8,784.70 km) |
| Katy to Kraluv Dvur | 5,459.55 mi (8,786.30 km) |
| Katy to Krnov | 5,587.17 mi (8,991.68 km) |
