| Idrija to Carmignano | 210.95 mi (339.50 km) |
| Idrija to Carovigno | 409.34 mi (658.78 km) |
| Idrija to Carpenedolo | 179.02 mi (288.10 km) |
| Idrija to Carpi | 174.25 mi (280.43 km) |
| Idrija to Carrara | 233.25 mi (375.38 km) |
| Idrija to Carugate | 228.33 mi (367.46 km) |
| Idrija to Casal di Principe | 344.53 mi (554.46 km) |
| Idrija to Casale Monferrato | 275.92 mi (444.04 km) |
| Idrija to Casale sul Sile | 86.21 mi (138.75 km) |
| Idrija to Casalecchio di Reno | 169.81 mi (273.28 km) |
| Idrija to Casalgrande | 187.73 mi (302.13 km) |
| Idrija to Casalmaggiore | 188.53 mi (303.41 km) |
| Idrija to Casalnuovo di Napoli | 351.77 mi (566.11 km) |
| Idrija to Casalpusterlengo | 219.16 mi (352.70 km) |
| Idrija to Casaluce | 345.75 mi (556.43 km) |
