| Ridderkerk to Jicin | 475.86 mi (765.82 km) |
| Ridderkerk to Jihlava | 510.31 mi (821.26 km) |
| Ridderkerk to Jindrichuv Hradec | 493.78 mi (794.66 km) |
| Ridderkerk to Jirkov | 394.39 mi (634.71 km) |
| Ridderkerk to Kadan | 389.64 mi (627.07 km) |
| Ridderkerk to Karlovy Vary | 376.44 mi (605.83 km) |
| Ridderkerk to Karvina | 622.73 mi (1,002.18 km) |
| Ridderkerk to Kladno | 429.34 mi (690.96 km) |
| Ridderkerk to Klasterec nad Ohri | 385.28 mi (620.05 km) |
| Ridderkerk to Klatovy | 417.23 mi (671.47 km) |
| Ridderkerk to Kolin | 478.13 mi (769.48 km) |
| Ridderkerk to Koprivnice | 611.69 mi (984.42 km) |
| Ridderkerk to Kralupy nad Vltavou | 436.11 mi (701.86 km) |
| Ridderkerk to Kraluv Dvur | 431.48 mi (694.40 km) |
| Ridderkerk to Krnov | 582.02 mi (936.67 km) |
