| Idar-Oberstein to Karakocan | 1,761.60 mi (2,835.03 km) |
| Idar-Oberstein to Karakopru | 1,782.01 mi (2,867.87 km) |
| Idar-Oberstein to Karaman | 1,549.02 mi (2,492.91 km) |
| Idar-Oberstein to Karapinar | 1,538.22 mi (2,475.52 km) |
| Idar-Oberstein to Karatas | 1,666.44 mi (2,681.88 km) |
| Idar-Oberstein to Karatepe | 1,257.84 mi (2,024.29 km) |
| Idar-Oberstein to Karayilan | 1,694.80 mi (2,727.52 km) |
| Idar-Oberstein to Kargipinar | 1,621.96 mi (2,610.29 km) |
| Idar-Oberstein to Karkamis | 1,763.76 mi (2,838.50 km) |
| Idar-Oberstein to Karliova | 1,790.61 mi (2,881.70 km) |
| Idar-Oberstein to Kars | 1,832.71 mi (2,949.46 km) |
| Idar-Oberstein to Kartal | 1,219.07 mi (1,961.90 km) |
| Idar-Oberstein to Kas | 1,454.92 mi (2,341.46 km) |
| Idar-Oberstein to Kastamonu | 1,394.51 mi (2,244.25 km) |
| Idar-Oberstein to Kavak | 1,504.40 mi (2,421.10 km) |
