| Idar-Oberstein to Jicin | 359.79 mi (579.02 km) |
| Idar-Oberstein to Jihlava | 371.44 mi (597.78 km) |
| Idar-Oberstein to Jindrichuv Hradec | 347.64 mi (559.47 km) |
| Idar-Oberstein to Jirkov | 277.18 mi (446.07 km) |
| Idar-Oberstein to Kadan | 268.26 mi (431.73 km) |
| Idar-Oberstein to Karlovy Vary | 249.58 mi (401.67 km) |
| Idar-Oberstein to Karvina | 500.61 mi (805.66 km) |
| Idar-Oberstein to Kladno | 303.27 mi (488.06 km) |
| Idar-Oberstein to Klasterec nad Ohri | 263.98 mi (424.83 km) |
| Idar-Oberstein to Klatovy | 268.95 mi (432.83 km) |
| Idar-Oberstein to Kolin | 351.77 mi (566.11 km) |
| Idar-Oberstein to Koprivnice | 484.14 mi (779.15 km) |
| Idar-Oberstein to Kralupy nad Vltavou | 313.00 mi (503.73 km) |
| Idar-Oberstein to Kraluv Dvur | 299.91 mi (482.67 km) |
| Idar-Oberstein to Krnov | 462.56 mi (744.42 km) |
