| Idrija to Busto Arsizio | 250.69 mi (403.44 km) |
| Idrija to Busto Garolfo | 249.68 mi (401.82 km) |
| Idrija to Cabras | 502.71 mi (809.04 km) |
| Idrija to Cadelbosco di Sopra | 186.94 mi (300.85 km) |
| Idrija to Cadoneghe | 107.98 mi (173.77 km) |
| Idrija to Cagli | 182.42 mi (293.57 km) |
| Idrija to Cagliari | 530.40 mi (853.59 km) |
| Idrija to Cairo Montenotte | 301.44 mi (485.11 km) |
| Idrija to Caivano | 349.36 mi (562.24 km) |
| Idrija to Calcinaia | 231.47 mi (372.52 km) |
| Idrija to Calcinato | 178.25 mi (286.86 km) |
| Idrija to Calderara di Reno | 166.88 mi (268.57 km) |
| Idrija to Caldogno | 125.14 mi (201.39 km) |
| Idrija to Calenzano | 203.34 mi (327.24 km) |
| Idrija to Calolziocorte | 221.31 mi (356.16 km) |
