| Idar-Oberstein to Cizre | 1,922.23 mi (3,093.53 km) |
| Idar-Oberstein to Cobanlar | 1,380.10 mi (2,221.06 km) |
| Idar-Oberstein to Corlu | 1,150.57 mi (1,851.66 km) |
| Idar-Oberstein to Corum | 1,477.68 mi (2,378.10 km) |
| Idar-Oberstein to Cukurca | 1,988.02 mi (3,199.42 km) |
| Idar-Oberstein to Cukurcayir | 1,670.58 mi (2,688.54 km) |
| Idar-Oberstein to Cumayeri | 1,293.37 mi (2,081.47 km) |
| Idar-Oberstein to Cumra | 1,512.75 mi (2,434.54 km) |
| Idar-Oberstein to Cungus | 1,759.45 mi (2,831.56 km) |
| Idar-Oberstein to Dargecit | 1,892.99 mi (3,046.47 km) |
| Idar-Oberstein to Davutlar | 1,289.39 mi (2,075.06 km) |
| Idar-Oberstein to Demirozu | 1,707.72 mi (2,748.32 km) |
| Idar-Oberstein to Demre | 1,465.85 mi (2,359.06 km) |
| Idar-Oberstein to Denizciler | 1,697.14 mi (2,731.29 km) |
| Idar-Oberstein to Denizli | 1,356.20 mi (2,182.59 km) |
