| Colonia to Jicin | 4,125.29 mi (6,639.02 km) |
| Colonia to Jihlava | 4,169.06 mi (6,709.46 km) |
| Colonia to Jindrichuv Hradec | 4,154.47 mi (6,685.97 km) |
| Colonia to Jirkov | 4,049.22 mi (6,516.59 km) |
| Colonia to Kadan | 4,046.23 mi (6,511.78 km) |
| Colonia to Karlovy Vary | 4,035.16 mi (6,493.96 km) |
| Colonia to Karvina | 4,268.07 mi (6,868.79 km) |
| Colonia to Kladno | 4,085.91 mi (6,575.63 km) |
| Colonia to Klasterec nad Ohri | 4,042.05 mi (6,505.04 km) |
| Colonia to Klatovy | 4,078.45 mi (6,563.63 km) |
| Colonia to Kolin | 4,132.89 mi (6,651.24 km) |
| Colonia to Koprivnice | 4,261.70 mi (6,858.54 km) |
| Colonia to Kralupy nad Vltavou | 4,091.24 mi (6,584.21 km) |
| Colonia to Kraluv Dvur | 4,089.80 mi (6,581.90 km) |
| Colonia to Krnov | 4,227.44 mi (6,803.40 km) |
