| Giffnock to Grovetown (Georgia) | 3,893.41 mi (6,265.83 km) |
| Giffnock to Guayama (Puerto Rico) | 4,110.17 mi (6,614.67 km) |
| Giffnock to Guaynabo (Puerto Rico) | 4,087.18 mi (6,577.69 km) |
| Giffnock to Gulf Shores (Alabama) | 4,269.11 mi (6,870.47 km) |
| Giffnock to Gulfport (Florida) | 4,214.01 mi (6,781.79 km) |
| Giffnock to Gulfport (Mississippi) | 4,312.65 mi (6,940.53 km) |
| Giffnock to Gunbarrel (Colorado) | 4,365.24 mi (7,025.18 km) |
| Giffnock to Gurnee (Illinois) | 3,654.15 mi (5,880.78 km) |
| Giffnock to Guthrie (Oklahoma) | 4,328.98 mi (6,966.81 km) |
| Giffnock to Guttenberg (New Jersey) | 3,215.16 mi (5,174.30 km) |
| Giffnock to Guymon (Oklahoma) | 4,424.25 mi (7,120.15 km) |
| Giffnock to Hacienda Heights (California) | 5,114.01 mi (8,230.21 km) |
| Giffnock to Hackensack (New Jersey) | 3,212.16 mi (5,169.46 km) |
| Giffnock to Hackettstown (New Jersey) | 3,243.39 mi (5,219.74 km) |
| Giffnock to Hagerstown (Maryland) | 3,411.38 mi (5,490.09 km) |
