| Idar-Oberstein to Camas | 1,575.03 mi (2,534.77 km) |
| Idar-Oberstein to Camliyayla | 1,606.65 mi (2,585.65 km) |
| Idar-Oberstein to Camoluk | 1,658.03 mi (2,668.35 km) |
| Idar-Oberstein to Can | 1,169.64 mi (1,882.35 km) |
| Idar-Oberstein to Canakkale | 1,138.56 mi (1,832.33 km) |
| Idar-Oberstein to Cankaya | 1,414.20 mi (2,275.93 km) |
| Idar-Oberstein to Cankiri | 1,418.00 mi (2,282.05 km) |
| Idar-Oberstein to Cardak | 1,376.64 mi (2,215.50 km) |
| Idar-Oberstein to Carsamba | 1,529.74 mi (2,461.89 km) |
| Idar-Oberstein to Carsibasi | 1,650.84 mi (2,656.77 km) |
| Idar-Oberstein to Cat | 1,776.83 mi (2,859.53 km) |
| Idar-Oberstein to Catalagzi | 1,307.47 mi (2,104.17 km) |
| Idar-Oberstein to Catalca | 1,178.27 mi (1,896.24 km) |
| Idar-Oberstein to Catalpinar | 1,573.52 mi (2,532.34 km) |
| Idar-Oberstein to Cavdir | 1,409.74 mi (2,268.75 km) |
