| Colwyn Bay to Jicin | 833.72 mi (1,341.74 km) |
| Colwyn Bay to Jihlava | 871.68 mi (1,402.84 km) |
| Colwyn Bay to Jindrichuv Hradec | 855.62 mi (1,376.98 km) |
| Colwyn Bay to Jirkov | 754.08 mi (1,213.58 km) |
| Colwyn Bay to Kadan | 750.05 mi (1,207.08 km) |
| Colwyn Bay to Karlovy Vary | 737.65 mi (1,187.13 km) |
| Colwyn Bay to Karvina | 979.85 mi (1,576.92 km) |
| Colwyn Bay to Kladno | 789.84 mi (1,271.12 km) |
| Colwyn Bay to Klasterec nad Ohri | 745.74 mi (1,200.16 km) |
| Colwyn Bay to Klatovy | 779.00 mi (1,253.68 km) |
| Colwyn Bay to Kolin | 838.08 mi (1,348.75 km) |
| Colwyn Bay to Koprivnice | 970.39 mi (1,561.69 km) |
| Colwyn Bay to Kralupy nad Vltavou | 796.07 mi (1,281.15 km) |
| Colwyn Bay to Kraluv Dvur | 792.62 mi (1,275.61 km) |
| Colwyn Bay to Krnov | 938.95 mi (1,511.09 km) |
