| Llantwit Major to Grand Prairie (Texas) | 4,634.00 mi (7,457.70 km) |
| Llantwit Major to Grand Rapids (Michigan) | 3,696.78 mi (5,949.40 km) |
| Llantwit Major to Grand Rapids (Minnesota) | 3,800.98 mi (6,117.09 km) |
| Llantwit Major to Grand Terrace (California) | 5,305.84 mi (8,538.93 km) |
| Llantwit Major to Grandview (Missouri) | 4,228.67 mi (6,805.38 km) |
| Llantwit Major to Grandview (Washington) | 4,707.39 mi (7,575.81 km) |
| Llantwit Major to Grandville (Michigan) | 3,703.40 mi (5,960.04 km) |
| Llantwit Major to Granger (Indiana) | 3,770.04 mi (6,067.29 km) |
| Llantwit Major to Granite Bay (California) | 5,163.86 mi (8,310.44 km) |
| Llantwit Major to Granite City (Illinois) | 4,065.50 mi (6,542.80 km) |
| Llantwit Major to Grants Pass (Oregon) | 5,019.83 mi (8,078.63 km) |
| Llantwit Major to Grantsville (Utah) | 4,783.38 mi (7,698.11 km) |
| Llantwit Major to Grapevine (Texas) | 4,623.51 mi (7,440.83 km) |
| Llantwit Major to Grass Valley (California) | 5,133.95 mi (8,262.29 km) |
| Llantwit Major to Grayslake (Illinois) | 3,816.67 mi (6,142.34 km) |
