| Greenock to Caño Martin Peña (Puerto Rico) | 4,066.68 mi (6,544.69 km) |
| Greenock to Cañon City (Colorado) | 4,434.36 mi (7,136.41 km) |
| Greenock to Canóvanas (Puerto Rico) | 4,064.54 mi (6,541.24 km) |
| Greenock to Canton (Georgia) | 3,918.49 mi (6,306.20 km) |
| Greenock to Canton (Illinois) | 3,798.92 mi (6,113.78 km) |
| Greenock to Canton (Mississippi) | 4,212.51 mi (6,779.37 km) |
| Greenock to Canton (Ohio) | 3,470.73 mi (5,585.60 km) |
| Greenock to Canyon (Texas) | 4,511.19 mi (7,260.06 km) |
| Greenock to Canyon Lake (California) | 5,089.51 mi (8,190.78 km) |
| Greenock to Canyon Lake (Texas) | 4,661.95 mi (7,502.68 km) |
| Greenock to Cape Coral (Florida) | 4,226.60 mi (6,802.05 km) |
| Greenock to Cape Girardeau (Missouri) | 3,947.84 mi (6,353.44 km) |
| Greenock to Carbondale (Illinois) | 3,914.38 mi (6,299.59 km) |
| Greenock to Carlisle (Pennsylvania) | 3,344.61 mi (5,382.63 km) |
| Greenock to Carlsbad (California) | 5,123.01 mi (8,244.69 km) |
