| Idrija to Casamassima | 377.89 mi (608.15 km) |
| Idrija to Casandrino | 350.43 mi (563.95 km) |
| Idrija to Casapulla | 341.27 mi (549.22 km) |
| Idrija to Casarano | 463.28 mi (745.58 km) |
| Idrija to Casatenovo | 227.89 mi (366.75 km) |
| Idrija to Casciana Terme | 239.09 mi (384.77 km) |
| Idrija to Cascina | 233.84 mi (376.33 km) |
| Idrija to Caselle Torinese | 313.66 mi (504.79 km) |
| Idrija to Caserta | 341.37 mi (549.39 km) |
| Idrija to Casier | 86.66 mi (139.47 km) |
| Idrija to Casorate Primo | 246.53 mi (396.75 km) |
| Idrija to Casoria | 352.81 mi (567.80 km) |
| Idrija to Cassano al Ionio | 445.00 mi (716.16 km) |
| Idrija to Cassano d'Adda | 219.78 mi (353.70 km) |
| Idrija to Cassano delle Murge | 379.39 mi (610.58 km) |
