| Romanshorn to Cesme | 1,064.89 mi (1,713.77 km) |
| Romanshorn to Ceyhan | 1,524.84 mi (2,453.98 km) |
| Romanshorn to Ceylanpinar | 1,721.64 mi (2,770.71 km) |
| Romanshorn to Cicekdagi | 1,361.20 mi (2,190.64 km) |
| Romanshorn to Cide | 1,219.51 mi (1,962.61 km) |
| Romanshorn to Cifteler | 1,219.55 mi (1,962.68 km) |
| Romanshorn to Ciftlik | 1,419.73 mi (2,284.84 km) |
| Romanshorn to Ciftlikkoy | 1,095.11 mi (1,762.42 km) |
| Romanshorn to Cihanbeyli | 1,331.36 mi (2,142.62 km) |
| Romanshorn to Cildir | 1,712.23 mi (2,755.58 km) |
| Romanshorn to Cilimli | 1,163.48 mi (1,872.44 km) |
| Romanshorn to Cinar | 1,704.06 mi (2,742.42 km) |
| Romanshorn to Cinarcik | 1,086.81 mi (1,749.05 km) |
| Romanshorn to Cine | 1,168.94 mi (1,881.23 km) |
| Romanshorn to Civril | 1,207.93 mi (1,943.97 km) |
