| Duffel to Jihlava | 502.62 mi (808.89 km) |
| Duffel to Jindrichuv Hradec | 483.32 mi (777.82 km) |
| Duffel to Jirkov | 391.96 mi (630.81 km) |
| Duffel to Kadan | 385.83 mi (620.94 km) |
| Duffel to Karlovy Vary | 370.63 mi (596.47 km) |
| Duffel to Karvina | 621.73 mi (1,000.58 km) |
| Duffel to Kladno | 424.84 mi (683.71 km) |
| Duffel to Klasterec nad Ohri | 381.40 mi (613.80 km) |
| Duffel to Klatovy | 405.05 mi (651.87 km) |
| Duffel to Kolin | 474.28 mi (763.28 km) |
| Duffel to Koprivnice | 608.80 mi (979.77 km) |
| Duffel to Kralupy nad Vltavou | 432.67 mi (696.32 km) |
| Duffel to Kraluv Dvur | 425.24 mi (684.36 km) |
| Duffel to Krnov | 581.55 mi (935.92 km) |
| Duffel to Kromeriz | 582.12 mi (936.83 km) |
