| Frogn to Jicin | 665.97 mi (1,071.77 km) |
| Frogn to Jihlava | 738.03 mi (1,187.75 km) |
| Frogn to Jindrichuv Hradec | 749.51 mi (1,206.22 km) |
| Frogn to Jirkov | 644.96 mi (1,037.96 km) |
| Frogn to Kadan | 652.29 mi (1,049.75 km) |
| Frogn to Karlovy Vary | 659.99 mi (1,062.14 km) |
| Frogn to Karvina | 748.11 mi (1,203.96 km) |
| Frogn to Kladno | 673.56 mi (1,083.99 km) |
| Frogn to Klasterec nad Ohri | 651.10 mi (1,047.84 km) |
| Frogn to Klatovy | 719.56 mi (1,158.02 km) |
| Frogn to Kolin | 691.80 mi (1,113.34 km) |
| Frogn to Koprivnice | 758.20 mi (1,220.20 km) |
| Frogn to Kralupy nad Vltavou | 669.11 mi (1,076.83 km) |
| Frogn to Kraluv Dvur | 686.66 mi (1,105.08 km) |
| Frogn to Krnov | 719.50 mi (1,157.92 km) |
