| Idar-Oberstein to Kayapinar | 1,809.95 mi (2,912.83 km) |
| Idar-Oberstein to Kayseri | 1,575.07 mi (2,534.83 km) |
| Idar-Oberstein to Kemalpasa | 1,259.57 mi (2,027.08 km) |
| Idar-Oberstein to Kemer | 1,470.29 mi (2,366.20 km) |
| Idar-Oberstein to Keskin | 1,455.50 mi (2,342.40 km) |
| Idar-Oberstein to Kilimli | 1,306.69 mi (2,102.91 km) |
| Idar-Oberstein to Kilis | 1,731.79 mi (2,787.05 km) |
| Idar-Oberstein to Kinik | 1,226.06 mi (1,973.16 km) |
| Idar-Oberstein to Kirikkale | 1,444.26 mi (2,324.31 km) |
| Idar-Oberstein to Kirkagac | 1,237.07 mi (1,990.87 km) |
| Idar-Oberstein to Kirklareli | 1,102.41 mi (1,774.16 km) |
| Idar-Oberstein to Kirsehir | 1,500.86 mi (2,415.41 km) |
| Idar-Oberstein to Kizilpinar | 1,152.51 mi (1,854.79 km) |
| Idar-Oberstein to Kiziltepe | 1,858.71 mi (2,991.30 km) |
| Idar-Oberstein to Kocaali | 1,281.78 mi (2,062.82 km) |
