| Den Helder to Jicin | 485.23 mi (780.90 km) |
| Den Helder to Jihlava | 528.57 mi (850.65 km) |
| Den Helder to Jindrichuv Hradec | 515.99 mi (830.40 km) |
| Den Helder to Jirkov | 408.18 mi (656.90 km) |
| Den Helder to Kadan | 405.42 mi (652.46 km) |
| Den Helder to Karlovy Vary | 395.26 mi (636.11 km) |
| Den Helder to Karvina | 630.33 mi (1,014.42 km) |
| Den Helder to Kladno | 444.99 mi (716.14 km) |
| Den Helder to Klasterec nad Ohri | 401.28 mi (645.80 km) |
| Den Helder to Klatovy | 443.20 mi (713.26 km) |
| Den Helder to Kolin | 491.85 mi (791.56 km) |
| Den Helder to Koprivnice | 622.03 mi (1,001.07 km) |
| Den Helder to Kralupy nad Vltavou | 450.19 mi (724.51 km) |
| Den Helder to Kraluv Dvur | 449.39 mi (723.22 km) |
| Den Helder to Krnov | 589.43 mi (948.59 km) |
