| Idar-Oberstein to Kirchlinteln | 239.44 mi (385.34 km) |
| Idar-Oberstein to Kirchseeon | 236.52 mi (380.64 km) |
| Idar-Oberstein to Kirchzarten | 123.98 mi (199.52 km) |
| Idar-Oberstein to Kirkel | 29.79 mi (47.95 km) |
| Idar-Oberstein to Kissing | 192.79 mi (310.27 km) |
| Idar-Oberstein to Kisslegg | 177.02 mi (284.88 km) |
| Idar-Oberstein to Kitzingen | 127.47 mi (205.14 km) |
| Idar-Oberstein to Kleinblittersdorf | 40.16 mi (64.64 km) |
| Idar-Oberstein to Kleve | 152.49 mi (245.41 km) |
| Idar-Oberstein to Klipphausen | 289.79 mi (466.37 km) |
| Idar-Oberstein to Klotze | 261.38 mi (420.65 km) |
| Idar-Oberstein to Koblenz | 46.54 mi (74.90 km) |
| Idar-Oberstein to Kolbermoor | 251.68 mi (405.05 km) |
| Idar-Oberstein to Kolkwitz | 334.12 mi (537.71 km) |
| Idar-Oberstein to Kongen | 116.85 mi (188.06 km) |
