| Cwmbran to Jicin | 800.37 mi (1,288.07 km) |
| Cwmbran to Jihlava | 829.79 mi (1,335.42 km) |
| Cwmbran to Jindrichuv Hradec | 810.30 mi (1,304.06 km) |
| Cwmbran to Jirkov | 717.79 mi (1,155.17 km) |
| Cwmbran to Kadan | 712.16 mi (1,146.11 km) |
| Cwmbran to Karlovy Vary | 697.46 mi (1,122.46 km) |
| Cwmbran to Karvina | 947.23 mi (1,524.42 km) |
| Cwmbran to Kladno | 751.45 mi (1,209.34 km) |
| Cwmbran to Klasterec nad Ohri | 707.74 mi (1,138.99 km) |
| Cwmbran to Klatovy | 731.82 mi (1,177.75 km) |
| Cwmbran to Kolin | 800.77 mi (1,288.71 km) |
| Cwmbran to Koprivnice | 935.11 mi (1,504.92 km) |
| Cwmbran to Kralupy nad Vltavou | 758.96 mi (1,221.43 km) |
| Cwmbran to Kraluv Dvur | 752.23 mi (1,210.59 km) |
| Cwmbran to Krnov | 906.73 mi (1,459.24 km) |
