| Cologne to Cesme | 1,282.99 mi (2,064.78 km) |
| Cologne to Ceyhan | 1,709.50 mi (2,751.17 km) |
| Cologne to Ceylanpinar | 1,890.77 mi (3,042.90 km) |
| Cologne to Cicekdagi | 1,534.31 mi (2,469.24 km) |
| Cologne to Cide | 1,379.40 mi (2,219.93 km) |
| Cologne to Cifteler | 1,408.97 mi (2,267.51 km) |
| Cologne to Ciftlik | 1,602.69 mi (2,579.28 km) |
| Cologne to Ciftlikkoy | 1,282.49 mi (2,063.96 km) |
| Cologne to Cihanbeyli | 1,517.60 mi (2,442.35 km) |
| Cologne to Cildir | 1,840.55 mi (2,962.07 km) |
| Cologne to Cilimli | 1,340.83 mi (2,157.86 km) |
| Cologne to Cinar | 1,866.35 mi (3,003.59 km) |
| Cologne to Cinarcik | 1,275.29 mi (2,052.38 km) |
| Cologne to Cine | 1,383.14 mi (2,225.95 km) |
| Cologne to Civril | 1,410.56 mi (2,270.08 km) |
