| Llantwit Major to Grovetown (Georgia) | 3,995.27 mi (6,429.76 km) |
| Llantwit Major to Guayama (Puerto Rico) | 4,081.64 mi (6,568.77 km) |
| Llantwit Major to Guaynabo (Puerto Rico) | 4,060.23 mi (6,534.30 km) |
| Llantwit Major to Gulf Shores (Alabama) | 4,378.36 mi (7,046.29 km) |
| Llantwit Major to Gulfport (Florida) | 4,294.90 mi (6,911.97 km) |
| Llantwit Major to Gulfport (Mississippi) | 4,427.39 mi (7,125.19 km) |
| Llantwit Major to Gunbarrel (Colorado) | 4,562.17 mi (7,342.10 km) |
| Llantwit Major to Gurnee (Illinois) | 3,811.65 mi (6,134.26 km) |
| Llantwit Major to Guthrie (Oklahoma) | 4,490.58 mi (7,226.89 km) |
| Llantwit Major to Guttenberg (New Jersey) | 3,322.27 mi (5,346.67 km) |
| Llantwit Major to Guymon (Oklahoma) | 4,600.72 mi (7,404.15 km) |
| Llantwit Major to Hacienda Heights (California) | 5,329.83 mi (8,577.53 km) |
| Llantwit Major to Hackensack (New Jersey) | 3,319.90 mi (5,342.87 km) |
| Llantwit Major to Hackettstown (New Jersey) | 3,353.56 mi (5,397.03 km) |
| Llantwit Major to Hagerstown (Maryland) | 3,525.18 mi (5,673.23 km) |
