| Llantrisant to Grovetown (Georgia) | 3,997.03 mi (6,432.60 km) |
| Llantrisant to Guayama (Puerto Rico) | 4,087.51 mi (6,578.22 km) |
| Llantrisant to Guaynabo (Puerto Rico) | 4,066.05 mi (6,543.68 km) |
| Llantrisant to Gulf Shores (Alabama) | 4,379.91 mi (7,048.79 km) |
| Llantrisant to Gulfport (Florida) | 4,297.42 mi (6,916.03 km) |
| Llantrisant to Gulfport (Mississippi) | 4,428.75 mi (7,127.38 km) |
| Llantrisant to Gunbarrel (Colorado) | 4,560.33 mi (7,339.14 km) |
| Llantrisant to Gurnee (Illinois) | 3,811.34 mi (6,133.76 km) |
| Llantrisant to Guthrie (Oklahoma) | 4,490.18 mi (7,226.25 km) |
| Llantrisant to Guttenberg (New Jersey) | 3,323.75 mi (5,349.06 km) |
| Llantrisant to Guymon (Oklahoma) | 4,599.74 mi (7,402.57 km) |
| Llantrisant to Hacienda Heights (California) | 5,327.21 mi (8,573.31 km) |
| Llantrisant to Hackensack (New Jersey) | 3,321.36 mi (5,345.21 km) |
| Llantrisant to Hackettstown (New Jersey) | 3,354.94 mi (5,399.25 km) |
| Llantrisant to Hagerstown (Maryland) | 3,526.46 mi (5,675.28 km) |
