| Idanha-a-Nova to Cesme | 1,790.48 mi (2,881.50 km) |
| Idanha-a-Nova to Ceyhan | 2,314.50 mi (3,724.83 km) |
| Idanha-a-Nova to Ceylanpinar | 2,539.75 mi (4,087.33 km) |
| Idanha-a-Nova to Cicekdagi | 2,191.32 mi (3,526.59 km) |
| Idanha-a-Nova to Cide | 2,086.38 mi (3,357.71 km) |
| Idanha-a-Nova to Cifteler | 2,020.58 mi (3,251.81 km) |
| Idanha-a-Nova to Ciftlik | 2,221.50 mi (3,575.16 km) |
| Idanha-a-Nova to Ciftlikkoy | 1,913.39 mi (3,079.30 km) |
| Idanha-a-Nova to Cihanbeyli | 2,131.23 mi (3,429.89 km) |
| Idanha-a-Nova to Cildir | 2,609.01 mi (4,198.80 km) |
| Idanha-a-Nova to Cilimli | 1,999.07 mi (3,217.19 km) |
| Idanha-a-Nova to Cinar | 2,538.84 mi (4,085.87 km) |
| Idanha-a-Nova to Cinarcik | 1,903.14 mi (3,062.81 km) |
| Idanha-a-Nova to Cine | 1,895.75 mi (3,050.92 km) |
| Idanha-a-Nova to Civril | 1,971.13 mi (3,172.22 km) |
