| Greenock to Coudekerque-Branche | 449.36 mi (723.17 km) |
| Greenock to Coueron | 617.30 mi (993.46 km) |
| Greenock to Coulommiers | 592.95 mi (954.26 km) |
| Greenock to Courbevoic | 569.32 mi (916.23 km) |
| Greenock to Courcouronnes | 589.79 mi (949.17 km) |
| Greenock to Cournon-d'Auvergne | 784.99 mi (1,263.32 km) |
| Greenock to Courrieres | 495.23 mi (797.00 km) |
| Greenock to Coutras | 780.37 mi (1,255.88 km) |
| Greenock to Couzeix | 742.87 mi (1,195.53 km) |
| Greenock to Cran-Gevrier | 838.03 mi (1,348.67 km) |
| Greenock to Craponne | 815.92 mi (1,313.09 km) |
| Greenock to Creil | 552.77 mi (889.60 km) |
| Greenock to Crepy-en-Valois | 563.60 mi (907.03 km) |
| Greenock to Crest | 885.42 mi (1,424.94 km) |
| Greenock to Creteil | 580.36 mi (934.00 km) |
