| Idar-Oberstein to Chenove | 197.74 mi (318.23 km) |
| Idar-Oberstein to Cherbourg | 398.35 mi (641.07 km) |
| Idar-Oberstein to Chevigny-Saint-Sauveur | 194.03 mi (312.26 km) |
| Idar-Oberstein to Chevilly-Larue | 233.03 mi (375.02 km) |
| Idar-Oberstein to Chilly-Mazarin | 236.20 mi (380.12 km) |
| Idar-Oberstein to Choisy-le-Roi | 230.69 mi (371.26 km) |
| Idar-Oberstein to Cholet | 417.83 mi (672.43 km) |
| Idar-Oberstein to Clamart | 236.21 mi (380.15 km) |
| Idar-Oberstein to Claye-Souilly | 214.91 mi (345.87 km) |
| Idar-Oberstein to Clermont | 220.86 mi (355.44 km) |
| Idar-Oberstein to Clermont-Ferrand | 334.99 mi (539.12 km) |
| Idar-Oberstein to Clermont-l'Herault | 458.72 mi (738.25 km) |
| Idar-Oberstein to Clichy | 232.28 mi (373.83 km) |
| Idar-Oberstein to Clichy-sous-Bois | 221.40 mi (356.31 km) |
| Idar-Oberstein to Cluses | 254.55 mi (409.66 km) |
