| Idar-Oberstein to Cesme | 1,222.39 mi (1,967.25 km) |
| Idar-Oberstein to Ceyhan | 1,663.10 mi (2,676.49 km) |
| Idar-Oberstein to Ceylanpinar | 1,850.63 mi (2,978.30 km) |
| Idar-Oberstein to Cicekdagi | 1,492.03 mi (2,401.20 km) |
| Idar-Oberstein to Cide | 1,341.67 mi (2,159.22 km) |
| Idar-Oberstein to Cifteler | 1,360.17 mi (2,188.98 km) |
| Idar-Oberstein to Ciftlik | 1,556.77 mi (2,505.38 km) |
| Idar-Oberstein to Ciftlikkoy | 1,234.17 mi (1,986.20 km) |
| Idar-Oberstein to Cihanbeyli | 1,470.26 mi (2,366.15 km) |
| Idar-Oberstein to Cildir | 1,815.43 mi (2,921.65 km) |
| Idar-Oberstein to Cilimli | 1,296.48 mi (2,086.49 km) |
| Idar-Oberstein to Cinar | 1,828.76 mi (2,943.11 km) |
| Idar-Oberstein to Cinarcik | 1,226.53 mi (1,973.91 km) |
| Idar-Oberstein to Cine | 1,324.34 mi (2,131.32 km) |
| Idar-Oberstein to Civril | 1,356.55 mi (2,183.15 km) |
