| Idar-Oberstein to Cavaillon | 419.83 mi (675.65 km) |
| Idar-Oberstein to Cebazat | 331.76 mi (533.92 km) |
| Idar-Oberstein to Cenon | 497.17 mi (800.11 km) |
| Idar-Oberstein to Cergy | 240.70 mi (387.37 km) |
| Idar-Oberstein to Cernay | 131.75 mi (212.03 km) |
| Idar-Oberstein to Cesson | 227.18 mi (365.61 km) |
| Idar-Oberstein to Cesson-Sevigne | 419.23 mi (674.69 km) |
| Idar-Oberstein to Cestas | 507.92 mi (817.43 km) |
| Idar-Oberstein to Chalette-sur-Loing | 238.86 mi (384.40 km) |
| Idar-Oberstein to Challans | 466.26 mi (750.38 km) |
| Idar-Oberstein to Chalon-sur-Saone | 231.96 mi (373.31 km) |
| Idar-Oberstein to Chalons-en-Champagne | 142.58 mi (229.46 km) |
| Idar-Oberstein to Chamalieres | 335.96 mi (540.67 km) |
| Idar-Oberstein to Chambery | 293.47 mi (472.29 km) |
| Idar-Oberstein to Chambly | 230.61 mi (371.13 km) |
