| Idrija to Chickasha (Oklahoma) | 5,420.39 mi (8,723.27 km) |
| Idrija to Chico (California) | 5,913.44 mi (9,516.77 km) |
| Idrija to Chicopee (Massachusetts) | 4,083.46 mi (6,571.70 km) |
| Idrija to Chillicothe (Ohio) | 4,630.91 mi (7,452.72 km) |
| Idrija to Chillum (Maryland) | 4,402.00 mi (7,084.33 km) |
| Idrija to Chino (California) | 6,143.22 mi (9,886.56 km) |
| Idrija to Chino Hills (California) | 6,146.95 mi (9,892.55 km) |
| Idrija to Chino Valley (Arizona) | 5,936.41 mi (9,553.73 km) |
| Idrija to Chippewa Falls (Wisconsin) | 4,686.52 mi (7,542.23 km) |
| Idrija to Choctaw (Oklahoma) | 5,372.24 mi (8,645.78 km) |
| Idrija to Chowchilla (California) | 6,030.70 mi (9,705.47 km) |
| Idrija to Christiansburg (Virginia) | 4,625.71 mi (7,444.36 km) |
| Idrija to Chubbuck (Idaho) | 5,471.86 mi (8,806.12 km) |
| Idrija to Chula Vista (California) | 6,203.55 mi (9,983.64 km) |
| Idrija to Cibolo (Texas) | 5,717.24 mi (9,201.00 km) |
