| Idar-Oberstein to Chambray-les-Tours | 343.48 mi (552.77 km) |
| Idar-Oberstein to Chamonix-Mont-Blanc | 262.62 mi (422.64 km) |
| Idar-Oberstein to Champigny-sur-Marne | 224.92 mi (361.97 km) |
| Idar-Oberstein to Champs-Sur-Marne | 220.39 mi (354.69 km) |
| Idar-Oberstein to Chanteloup-les-Vignes | 243.06 mi (391.17 km) |
| Idar-Oberstein to Chantepie | 420.50 mi (676.74 km) |
| Idar-Oberstein to Chantilly | 220.91 mi (355.52 km) |
| Idar-Oberstein to Chaponost | 301.13 mi (484.63 km) |
| Idar-Oberstein to Charenton-le-Pont | 229.52 mi (369.38 km) |
| Idar-Oberstein to Charleville-Mezieres | 116.03 mi (186.73 km) |
| Idar-Oberstein to Chartres | 277.59 mi (446.74 km) |
| Idar-Oberstein to Chassieu | 294.96 mi (474.69 km) |
| Idar-Oberstein to Chateau-d'Olonne | 472.26 mi (760.03 km) |
| Idar-Oberstein to Chateau-Gontier | 387.28 mi (623.27 km) |
| Idar-Oberstein to Chateau-Thierry | 181.76 mi (292.52 km) |
