| Rhondda to Grovetown (Georgia) | 3,993.96 mi (6,427.66 km) |
| Rhondda to Guayama (Puerto Rico) | 4,086.61 mi (6,576.76 km) |
| Rhondda to Guaynabo (Puerto Rico) | 4,065.12 mi (6,542.17 km) |
| Rhondda to Gulf Shores (Alabama) | 4,376.75 mi (7,043.70 km) |
| Rhondda to Gulfport (Florida) | 4,294.70 mi (6,911.64 km) |
| Rhondda to Gulfport (Mississippi) | 4,425.50 mi (7,122.16 km) |
| Rhondda to Gunbarrel (Colorado) | 4,555.91 mi (7,332.03 km) |
| Rhondda to Gurnee (Illinois) | 3,807.44 mi (6,127.48 km) |
| Rhondda to Guthrie (Oklahoma) | 4,486.25 mi (7,219.93 km) |
| Rhondda to Guttenberg (New Jersey) | 3,320.56 mi (5,343.93 km) |
| Rhondda to Guymon (Oklahoma) | 4,595.61 mi (7,395.91 km) |
| Rhondda to Hacienda Heights (California) | 5,322.56 mi (8,565.84 km) |
| Rhondda to Hackensack (New Jersey) | 3,318.16 mi (5,340.07 km) |
| Rhondda to Hackettstown (New Jersey) | 3,351.71 mi (5,394.05 km) |
| Rhondda to Hagerstown (Maryland) | 3,523.18 mi (5,670.01 km) |
