| Idrija to Chambray-les-Tours | 637.12 mi (1,025.34 km) |
| Idrija to Chamonix-Mont-Blanc | 343.75 mi (553.21 km) |
| Idrija to Champigny-sur-Marne | 571.64 mi (919.97 km) |
| Idrija to Champs-Sur-Marne | 568.50 mi (914.91 km) |
| Idrija to Chanteloup-les-Vignes | 595.85 mi (958.92 km) |
| Idrija to Chantepie | 749.12 mi (1,205.60 km) |
| Idrija to Chantilly | 581.37 mi (935.62 km) |
| Idrija to Chaponost | 447.02 mi (719.40 km) |
| Idrija to Charenton-le-Pont | 576.66 mi (928.05 km) |
| Idrija to Charleville-Mezieres | 503.41 mi (810.16 km) |
| Idrija to Chartres | 611.65 mi (984.36 km) |
| Idrija to Chassieu | 436.02 mi (701.71 km) |
| Idrija to Chateau-d'Olonne | 752.72 mi (1,211.38 km) |
| Idrija to Chateau-Gontier | 705.43 mi (1,135.28 km) |
| Idrija to Chateau-Thierry | 537.87 mi (865.62 km) |
