| Greenock to Clarkston (Georgia) | 3,931.72 mi (6,327.50 km) |
| Greenock to Clarksville (Indiana) | 3,757.00 mi (6,046.30 km) |
| Greenock to Clarksville (Tennessee) | 3,904.68 mi (6,283.97 km) |
| Greenock to Clawson (Michigan) | 3,452.47 mi (5,556.21 km) |
| Greenock to Clay (Alabama) | 4,026.86 mi (6,480.60 km) |
| Greenock to Clayton (California) | 4,979.69 mi (8,014.04 km) |
| Greenock to Clayton (Missouri) | 3,907.12 mi (6,287.91 km) |
| Greenock to Clayton (North Carolina) | 3,617.16 mi (5,821.26 km) |
| Greenock to Clayton (Ohio) | 3,626.37 mi (5,836.07 km) |
| Greenock to Clearfield (Utah) | 4,504.57 mi (7,249.41 km) |
| Greenock to Clearlake (California) | 4,939.59 mi (7,949.50 km) |
| Greenock to Clearwater (Florida) | 4,184.15 mi (6,733.75 km) |
| Greenock to Cleburne (Texas) | 4,495.68 mi (7,235.09 km) |
| Greenock to Clemmons (North Carolina) | 3,671.79 mi (5,909.18 km) |
| Greenock to Clemson (South Carolina) | 3,832.61 mi (6,167.99 km) |
