| Merthyr Tudful to Greenfield (Indiana) | 3,838.88 mi (6,178.08 km) |
| Merthyr Tudful to Greenfield (Wisconsin) | 3,780.75 mi (6,084.53 km) |
| Merthyr Tudful to Greenlawn (New York) | 3,290.40 mi (5,295.39 km) |
| Merthyr Tudful to Greensboro (North Carolina) | 3,769.76 mi (6,066.84 km) |
| Merthyr Tudful to Greensburg (Indiana) | 3,848.58 mi (6,193.69 km) |
| Merthyr Tudful to Greensburg (Pennsylvania) | 3,566.48 mi (5,739.69 km) |
| Merthyr Tudful to Greentree (New Jersey) | 3,397.64 mi (5,467.98 km) |
| Merthyr Tudful to Greenville (Mississippi) | 4,356.93 mi (7,011.81 km) |
| Merthyr Tudful to Greenville (North Carolina) | 3,691.46 mi (5,940.83 km) |
| Merthyr Tudful to Greenville (Ohio) | 3,779.00 mi (6,081.71 km) |
| Merthyr Tudful to Greenville (South Carolina) | 3,933.60 mi (6,330.52 km) |
| Merthyr Tudful to Greenville (Texas) | 4,570.99 mi (7,356.30 km) |
| Merthyr Tudful to Greenwood (Indiana) | 3,860.93 mi (6,213.56 km) |
| Merthyr Tudful to Greenwood (Mississippi) | 4,316.43 mi (6,946.62 km) |
| Merthyr Tudful to Greenwood (South Carolina) | 3,955.48 mi (6,365.74 km) |
