| Rhondda to Greenwood Village (Colorado) | 4,569.89 mi (7,354.53 km) |
| Rhondda to Greer (South Carolina) | 3,924.27 mi (6,315.51 km) |
| Rhondda to Grenada (Mississippi) | 4,289.04 mi (6,902.55 km) |
| Rhondda to Gresham (Oregon) | 4,811.45 mi (7,743.29 km) |
| Rhondda to Gretna (Louisiana) | 4,491.72 mi (7,228.72 km) |
| Rhondda to Griffin (Georgia) | 4,089.54 mi (6,581.49 km) |
| Rhondda to Griffith (Indiana) | 3,825.92 mi (6,157.23 km) |
| Rhondda to Grimes (Iowa) | 4,062.01 mi (6,537.18 km) |
| Rhondda to Grosse Pointe Park (Michigan) | 3,611.94 mi (5,812.86 km) |
| Rhondda to Grosse Pointe Woods (Michigan) | 3,608.25 mi (5,806.92 km) |
| Rhondda to Grove City (Ohio) | 3,729.69 mi (6,002.36 km) |
| Rhondda to Groveland (Florida) | 4,214.32 mi (6,782.29 km) |
| Rhondda to Grover Beach (California) | 5,345.22 mi (8,602.30 km) |
| Rhondda to Groves (Texas) | 4,646.98 mi (7,478.59 km) |
| Rhondda to Groveton (Virginia) | 3,536.56 mi (5,691.54 km) |
