| Rhondda to Great Bend (Kansas) | 4,411.38 mi (7,099.43 km) |
| Rhondda to Great Falls (Montana) | 4,374.39 mi (7,039.90 km) |
| Rhondda to Great Falls (Virginia) | 3,533.79 mi (5,687.09 km) |
| Rhondda to Great Neck (New York) | 3,308.94 mi (5,325.23 km) |
| Rhondda to Greeley (Colorado) | 4,523.70 mi (7,280.19 km) |
| Rhondda to Green (Ohio) | 3,617.36 mi (5,821.58 km) |
| Rhondda to Green Bay (Wisconsin) | 3,713.09 mi (5,975.65 km) |
| Rhondda to Green River (Wyoming) | 4,628.27 mi (7,448.49 km) |
| Rhondda to Green Valley (Arizona) | 5,201.06 mi (8,370.30 km) |
| Rhondda to Green Valley (Maryland) | 3,516.63 mi (5,659.47 km) |
| Rhondda to Greenacres (Florida) | 4,241.73 mi (6,826.41 km) |
| Rhondda to Greenbelt (Maryland) | 3,517.50 mi (5,660.87 km) |
| Rhondda to Greendale (Wisconsin) | 3,784.19 mi (6,090.07 km) |
| Rhondda to Greeneville (Tennessee) | 3,890.20 mi (6,260.67 km) |
| Rhondda to Greenfield (California) | 5,296.36 mi (8,523.67 km) |
