| Llantrisant to Greenwood Village (Colorado) | 4,574.28 mi (7,361.60 km) |
| Llantrisant to Greer (South Carolina) | 3,927.44 mi (6,320.60 km) |
| Llantrisant to Grenada (Mississippi) | 4,292.52 mi (6,908.14 km) |
| Llantrisant to Gresham (Oregon) | 4,816.51 mi (7,751.43 km) |
| Llantrisant to Gretna (Louisiana) | 4,494.98 mi (7,233.97 km) |
| Llantrisant to Griffin (Georgia) | 4,092.71 mi (6,586.57 km) |
| Llantrisant to Griffith (Indiana) | 3,829.75 mi (6,163.39 km) |
| Llantrisant to Grimes (Iowa) | 4,066.10 mi (6,543.75 km) |
| Llantrisant to Grosse Pointe Park (Michigan) | 3,615.64 mi (5,818.82 km) |
| Llantrisant to Grosse Pointe Woods (Michigan) | 3,611.95 mi (5,812.88 km) |
| Llantrisant to Grove City (Ohio) | 3,733.23 mi (6,008.05 km) |
| Llantrisant to Groveland (Florida) | 4,217.04 mi (6,786.67 km) |
| Llantrisant to Grover Beach (California) | 5,349.99 mi (8,609.97 km) |
| Llantrisant to Groves (Texas) | 4,650.45 mi (7,484.17 km) |
| Llantrisant to Groveton (Virginia) | 3,539.74 mi (5,696.66 km) |
