| Greenock to Chantilly (Virginia) | 3,417.77 mi (5,500.38 km) |
| Greenock to Chaparral (New Mexico) | 4,828.86 mi (7,771.30 km) |
| Greenock to Chapel Hill (North Carolina) | 3,625.99 mi (5,835.47 km) |
| Greenock to Charleston (Illinois) | 3,786.39 mi (6,093.60 km) |
| Greenock to Charleston (South Carolina) | 3,821.20 mi (6,149.63 km) |
| Greenock to Charleston (West Virginia) | 3,602.01 mi (5,796.87 km) |
| Greenock to Charlotte (North Carolina) | 3,730.62 mi (6,003.85 km) |
| Greenock to Charlottesville (Virginia) | 3,499.07 mi (5,631.21 km) |
| Greenock to Chaska (Minnesota) | 3,710.35 mi (5,971.23 km) |
| Greenock to Chatham (Illinois) | 3,831.58 mi (6,166.33 km) |
| Greenock to Chattanooga (Tennessee) | 3,904.47 mi (6,283.63 km) |
| Greenock to Cheat Lake (West Virginia) | 3,470.23 mi (5,584.79 km) |
| Greenock to Chelsea (Alabama) | 4,047.00 mi (6,513.02 km) |
| Greenock to Chelsea (Massachusetts) | 3,007.31 mi (4,839.80 km) |
| Greenock to Cheney (Washington) | 4,307.95 mi (6,932.97 km) |
