| Idrija to Creutzwald | 406.70 mi (654.52 km) |
| Idrija to Croissy-sur-Seine | 589.12 mi (948.10 km) |
| Idrija to Croix | 593.98 mi (955.92 km) |
| Idrija to Crosne | 572.19 mi (920.85 km) |
| Idrija to Cuers | 435.18 mi (700.35 km) |
| Idrija to Cugnaux | 644.26 mi (1,036.84 km) |
| Idrija to Cusset | 506.45 mi (815.06 km) |
| Idrija to Dammarie-le-Lys | 560.90 mi (902.68 km) |
| Idrija to Dammartin-en-Goele | 569.08 mi (915.85 km) |
| Idrija to Dardilly | 445.86 mi (717.55 km) |
| Idrija to Darnetal | 642.99 mi (1,034.78 km) |
| Idrija to Dax | 754.04 mi (1,213.51 km) |
| Idrija to Decines-Charpieu | 436.19 mi (701.98 km) |
| Idrija to Denain | 573.16 mi (922.40 km) |
| Idrija to Deuil-la-Barre | 582.89 mi (938.07 km) |
