| Greenock to Camas (Washington) | 4,545.62 mi (7,315.47 km) |
| Greenock to Cambridge (Maryland) | 3,382.43 mi (5,443.49 km) |
| Greenock to Cambridge (Massachusetts) | 3,011.50 mi (4,846.55 km) |
| Greenock to Camden (Arkansas) | 4,264.65 mi (6,863.29 km) |
| Greenock to Camden (New Jersey) | 3,278.14 mi (5,275.65 km) |
| Greenock to Cameron Park (California) | 4,909.68 mi (7,901.37 km) |
| Greenock to Camp Pendleton South (California) | 5,120.11 mi (8,240.01 km) |
| Greenock to Camp Springs (Maryland) | 3,401.89 mi (5,474.81 km) |
| Greenock to Camp Verde (Arizona) | 4,867.68 mi (7,833.77 km) |
| Greenock to Campbell (California) | 5,019.26 mi (8,077.72 km) |
| Greenock to Campbellsville (Kentucky) | 3,791.26 mi (6,101.44 km) |
| Greenock to Campton Hills (Illinois) | 3,671.36 mi (5,908.48 km) |
| Greenock to Canby (Oregon) | 4,571.82 mi (7,357.64 km) |
| Greenock to Candelaria (Puerto Rico) | 4,074.47 mi (6,557.22 km) |
| Greenock to Candler-McAfee (Georgia) | 3,937.36 mi (6,336.57 km) |
