| Greenock to Grovetown (Georgia) | 3,873.57 mi (6,233.92 km) |
| Greenock to Guayama (Puerto Rico) | 4,094.79 mi (6,589.92 km) |
| Greenock to Guaynabo (Puerto Rico) | 4,071.74 mi (6,552.83 km) |
| Greenock to Gulf Shores (Alabama) | 4,249.09 mi (6,838.26 km) |
| Greenock to Gulfport (Florida) | 4,194.65 mi (6,750.64 km) |
| Greenock to Gulfport (Mississippi) | 4,292.52 mi (6,908.15 km) |
| Greenock to Gunbarrel (Colorado) | 4,344.49 mi (6,991.78 km) |
| Greenock to Gurnee (Illinois) | 3,633.46 mi (5,847.49 km) |
| Greenock to Guthrie (Oklahoma) | 4,308.24 mi (6,933.45 km) |
| Greenock to Guttenberg (New Jersey) | 3,195.27 mi (5,142.30 km) |
| Greenock to Guymon (Oklahoma) | 4,403.46 mi (7,086.68 km) |
| Greenock to Hacienda Heights (California) | 5,093.46 mi (8,197.14 km) |
| Greenock to Hackensack (New Jersey) | 3,192.26 mi (5,137.44 km) |
| Greenock to Hackettstown (New Jersey) | 3,223.44 mi (5,187.63 km) |
| Greenock to Hagerstown (Maryland) | 3,391.34 mi (5,457.84 km) |
