| Idrija to Chojnice | 554.34 mi (892.12 km) |
| Idrija to Chojnow | 373.95 mi (601.82 km) |
| Idrija to Chorzow | 373.53 mi (601.14 km) |
| Idrija to Choszczno | 498.87 mi (802.85 km) |
| Idrija to Chrzanow | 377.94 mi (608.24 km) |
| Idrija to Ciechanow | 558.96 mi (899.56 km) |
| Idrija to Ciechocinek | 520.94 mi (838.37 km) |
| Idrija to Cieszyn | 335.43 mi (539.82 km) |
| Idrija to Czarna Bialostocka | 651.34 mi (1,048.24 km) |
| Idrija to Czarnkow | 489.95 mi (788.49 km) |
| Idrija to Czechowice-Dziedzice | 354.91 mi (571.18 km) |
| Idrija to Czeladz | 379.05 mi (610.02 km) |
| Idrija to Czersk Pomorski | 565.96 mi (910.83 km) |
| Idrija to Czestochowa | 405.22 mi (652.14 km) |
| Idrija to Czluchow | 549.90 mi (884.97 km) |
