| Sonderborg to Jicin | 386.96 mi (622.75 km) |
| Sonderborg to Jihlava | 453.01 mi (729.05 km) |
| Sonderborg to Jindrichuv Hradec | 455.76 mi (733.48 km) |
| Sonderborg to Jirkov | 341.10 mi (548.95 km) |
| Sonderborg to Kadan | 345.69 mi (556.33 km) |
| Sonderborg to Karlovy Vary | 348.39 mi (560.68 km) |
| Sonderborg to Karvina | 507.63 mi (816.96 km) |
| Sonderborg to Kladno | 375.49 mi (604.30 km) |
| Sonderborg to Klasterec nad Ohri | 343.40 mi (552.66 km) |
| Sonderborg to Klatovy | 409.04 mi (658.28 km) |
| Sonderborg to Kolin | 406.88 mi (654.82 km) |
| Sonderborg to Koprivnice | 508.86 mi (818.94 km) |
| Sonderborg to Kralupy nad Vltavou | 374.31 mi (602.39 km) |
| Sonderborg to Kraluv Dvur | 386.57 mi (622.13 km) |
| Sonderborg to Krnov | 470.24 mi (756.78 km) |
