| Idrija to Castrovillari | 441.26 mi (710.14 km) |
| Idrija to Catania | 590.00 mi (949.51 km) |
| Idrija to Catanzaro | 507.88 mi (817.35 km) |
| Idrija to Cattolica | 154.22 mi (248.19 km) |
| Idrija to Cava de' Tirreni | 367.92 mi (592.11 km) |
| Idrija to Cavallino | 445.44 mi (716.86 km) |
| Idrija to Cavarzere | 111.50 mi (179.44 km) |
| Idrija to Cave | 294.29 mi (473.61 km) |
| Idrija to Cavriago | 192.03 mi (309.04 km) |
| Idrija to Cavriglia | 212.29 mi (341.65 km) |
| Idrija to Cazzago San Martino | 194.95 mi (313.73 km) |
| Idrija to Ceccano | 308.43 mi (496.37 km) |
| Idrija to Cecina | 253.34 mi (407.71 km) |
| Idrija to Cefalu | 550.62 mi (886.14 km) |
| Idrija to Ceglie Messapico | 408.83 mi (657.96 km) |
