| Greenock to Civril | 1,995.37 mi (3,211.23 km) |
| Greenock to Cizre | 2,505.17 mi (4,031.69 km) |
| Greenock to Cobanlar | 2,012.10 mi (3,238.16 km) |
| Greenock to Corlu | 1,780.61 mi (2,865.61 km) |
| Greenock to Corum | 2,074.14 mi (3,338.01 km) |
| Greenock to Cukurca | 2,563.72 mi (4,125.91 km) |
| Greenock to Cukurcayir | 2,235.31 mi (3,597.39 km) |
| Greenock to Cumayeri | 1,909.13 mi (3,072.45 km) |
| Greenock to Cumra | 2,142.23 mi (3,447.58 km) |
| Greenock to Cungus | 2,351.46 mi (3,784.31 km) |
| Greenock to Dargecit | 2,476.86 mi (3,986.13 km) |
| Greenock to Davutlar | 1,939.84 mi (3,121.87 km) |
| Greenock to Demirozu | 2,279.42 mi (3,668.37 km) |
| Greenock to Demre | 2,112.81 mi (3,400.25 km) |
| Greenock to Denizciler | 2,315.92 mi (3,727.11 km) |
