| Gourock to Cermik | 2,363.45 mi (3,803.60 km) |
| Gourock to Cesme | 1,875.83 mi (3,018.86 km) |
| Gourock to Ceyhan | 2,283.51 mi (3,674.95 km) |
| Gourock to Ceylanpinar | 2,450.74 mi (3,944.08 km) |
| Gourock to Cicekdagi | 2,101.50 mi (3,382.05 km) |
| Gourock to Cide | 1,938.53 mi (3,119.76 km) |
| Gourock to Cifteler | 1,988.62 mi (3,200.38 km) |
| Gourock to Ciftlik | 2,176.39 mi (3,502.57 km) |
| Gourock to Ciftlikkoy | 1,862.14 mi (2,996.82 km) |
| Gourock to Cihanbeyli | 2,094.30 mi (3,370.46 km) |
| Gourock to Cildir | 2,360.35 mi (3,798.61 km) |
| Gourock to Cilimli | 1,913.50 mi (3,079.48 km) |
| Gourock to Cinar | 2,420.44 mi (3,895.33 km) |
| Gourock to Cinarcik | 1,855.66 mi (2,986.39 km) |
| Gourock to Cine | 1,974.64 mi (3,177.88 km) |
