| Idrija to Cesme | 820.97 mi (1,321.23 km) |
| Idrija to Ceyhan | 1,280.31 mi (2,060.46 km) |
| Idrija to Ceylanpinar | 1,480.19 mi (2,382.14 km) |
| Idrija to Cicekdagi | 1,119.60 mi (1,801.82 km) |
| Idrija to Cide | 983.08 mi (1,582.11 km) |
| Idrija to Cifteler | 974.70 mi (1,568.63 km) |
| Idrija to Ciftlik | 1,175.66 mi (1,892.05 km) |
| Idrija to Ciftlikkoy | 850.88 mi (1,369.36 km) |
| Idrija to Cihanbeyli | 1,086.85 mi (1,749.11 km) |
| Idrija to Cildir | 1,486.59 mi (2,392.44 km) |
| Idrija to Cilimli | 921.41 mi (1,482.86 km) |
| Idrija to Cinar | 1,464.66 mi (2,357.13 km) |
| Idrija to Cinarcik | 842.38 mi (1,355.68 km) |
| Idrija to Cine | 924.21 mi (1,487.37 km) |
| Idrija to Civril | 962.07 mi (1,548.31 km) |
