| Merthyr Tudful to Garfield Heights (Ohio) | 3,599.98 mi (5,793.62 km) |
| Merthyr Tudful to Garland (Texas) | 4,601.62 mi (7,405.60 km) |
| Merthyr Tudful to Garner (North Carolina) | 3,738.47 mi (6,016.48 km) |
| Merthyr Tudful to Gary (Indiana) | 3,817.88 mi (6,144.28 km) |
| Merthyr Tudful to Gastonia (North Carolina) | 3,865.44 mi (6,220.82 km) |
| Merthyr Tudful to Gatesville (Texas) | 4,719.97 mi (7,596.05 km) |
| Merthyr Tudful to Gateway (Florida) | 4,312.71 mi (6,940.63 km) |
| Merthyr Tudful to Gautier (Mississippi) | 4,408.46 mi (7,094.73 km) |
| Merthyr Tudful to Geneva (Illinois) | 3,842.16 mi (6,183.35 km) |
| Merthyr Tudful to Geneva (New York) | 3,352.83 mi (5,395.87 km) |
| Merthyr Tudful to Georgetown (Georgia) | 4,023.38 mi (6,475.00 km) |
| Merthyr Tudful to Georgetown (Kentucky) | 3,862.84 mi (6,216.65 km) |
| Merthyr Tudful to Georgetown (Texas) | 4,758.85 mi (7,658.63 km) |
| Merthyr Tudful to Germantown (Maryland) | 3,524.08 mi (5,671.45 km) |
| Merthyr Tudful to Germantown (Tennessee) | 4,222.41 mi (6,795.32 km) |
