| Gelsenkirchen to Cesme | 1,301.48 mi (2,094.53 km) |
| Gelsenkirchen to Ceyhan | 1,719.74 mi (2,767.66 km) |
| Gelsenkirchen to Ceylanpinar | 1,897.58 mi (3,053.87 km) |
| Gelsenkirchen to Cicekdagi | 1,542.55 mi (2,482.49 km) |
| Gelsenkirchen to Cide | 1,385.47 mi (2,229.69 km) |
| Gelsenkirchen to Cifteler | 1,420.79 mi (2,286.53 km) |
| Gelsenkirchen to Ciftlik | 1,612.77 mi (2,595.50 km) |
| Gelsenkirchen to Ciftlikkoy | 1,294.20 mi (2,082.82 km) |
| Gelsenkirchen to Cihanbeyli | 1,528.53 mi (2,459.93 km) |
| Gelsenkirchen to Cildir | 1,839.83 mi (2,960.93 km) |
| Gelsenkirchen to Cilimli | 1,350.37 mi (2,173.21 km) |
| Gelsenkirchen to Cinar | 1,871.86 mi (3,012.47 km) |
| Gelsenkirchen to Cinarcik | 1,287.26 mi (2,071.64 km) |
| Gelsenkirchen to Cine | 1,400.50 mi (2,253.88 km) |
| Gelsenkirchen to Civril | 1,425.21 mi (2,293.66 km) |
