| Idar-Oberstein to Isparta | 1,414.40 mi (2,276.26 km) |
| Idar-Oberstein to Istanbul | 1,204.02 mi (1,937.68 km) |
| Idar-Oberstein to Izmir | 1,249.36 mi (2,010.65 km) |
| Idar-Oberstein to Kadinhani | 1,459.36 mi (2,348.61 km) |
| Idar-Oberstein to Kadirli | 1,659.85 mi (2,671.27 km) |
| Idar-Oberstein to Kagithane | 1,202.06 mi (1,934.53 km) |
| Idar-Oberstein to Kahramanmaras | 1,685.58 mi (2,712.67 km) |
| Idar-Oberstein to Kahta | 1,749.07 mi (2,814.85 km) |
| Idar-Oberstein to Kaman | 1,473.42 mi (2,371.24 km) |
| Idar-Oberstein to Kangal | 1,635.13 mi (2,631.49 km) |
| Idar-Oberstein to Kapakli | 1,149.73 mi (1,850.31 km) |
| Idar-Oberstein to Karaagac | 1,697.47 mi (2,731.82 km) |
| Idar-Oberstein to Karaagac | 1,150.43 mi (1,851.44 km) |
| Idar-Oberstein to Karabuk | 1,351.77 mi (2,175.46 km) |
| Idar-Oberstein to Karahalli | 1,347.01 mi (2,167.80 km) |
