| Greenock to Corato | 1,396.94 mi (2,248.16 km) |
| Greenock to Corbetta | 936.22 mi (1,506.70 km) |
| Greenock to Corciano | 1,163.36 mi (1,872.25 km) |
| Greenock to Cordenons | 1,020.26 mi (1,641.96 km) |
| Greenock to Cori | 1,266.82 mi (2,038.74 km) |
| Greenock to Coriano | 1,125.72 mi (1,811.67 km) |
| Greenock to Corigliano Calabro | 1,488.50 mi (2,395.51 km) |
| Greenock to Corleone | 1,505.75 mi (2,423.27 km) |
| Greenock to Cormano | 938.39 mi (1,510.19 km) |
| Greenock to Cornaredo | 937.53 mi (1,508.81 km) |
| Greenock to Cornate d'Adda | 941.16 mi (1,514.64 km) |
| Greenock to Cornedo Vicentino | 997.98 mi (1,606.09 km) |
| Greenock to Correggio | 1,027.90 mi (1,654.25 km) |
| Greenock to Corridonia | 1,192.80 mi (1,919.62 km) |
| Greenock to Corsico | 943.62 mi (1,518.61 km) |
