| Idrija to Castelletto sopra Ticino | 260.26 mi (418.84 km) |
| Idrija to Castelli Calepio | 200.36 mi (322.45 km) |
| Idrija to Castelnovo ne' Monti | 207.15 mi (333.38 km) |
| Idrija to Castelnuovo Berardenga | 221.38 mi (356.28 km) |
| Idrija to Castelnuovo di Porto | 277.87 mi (447.18 km) |
| Idrija to Castelnuovo di Verona | 162.13 mi (260.92 km) |
| Idrija to Castelnuovo Rangone | 180.82 mi (291.00 km) |
| Idrija to Castelvetrano | 578.28 mi (930.65 km) |
| Idrija to Castelvetro di Modena | 182.15 mi (293.14 km) |
| Idrija to Castenaso | 161.55 mi (259.99 km) |
| Idrija to Castenedolo | 183.61 mi (295.50 km) |
| Idrija to Castiglion Fiorentino | 210.87 mi (339.37 km) |
| Idrija to Castiglione del Lago | 220.55 mi (354.94 km) |
| Idrija to Castiglione delle Stiviere | 175.22 mi (281.99 km) |
| Idrija to Castrolibero | 474.90 mi (764.27 km) |
