| Merthyr Tudful to Artesia (California) | 5,329.18 mi (8,576.48 km) |
| Merthyr Tudful to Artesia (New Mexico) | 4,902.75 mi (7,890.22 km) |
| Merthyr Tudful to Artondale (Washington) | 4,710.08 mi (7,580.15 km) |
| Merthyr Tudful to Arvada (Colorado) | 4,563.52 mi (7,344.28 km) |
| Merthyr Tudful to Arvin (California) | 5,278.84 mi (8,495.48 km) |
| Merthyr Tudful to Asbury Lake (Florida) | 4,141.54 mi (6,665.17 km) |
| Merthyr Tudful to Asbury Park (New Jersey) | 3,344.51 mi (5,382.48 km) |
| Merthyr Tudful to Ashburn (Virginia) | 3,539.15 mi (5,695.71 km) |
| Merthyr Tudful to Asheboro (North Carolina) | 3,786.88 mi (6,094.40 km) |
| Merthyr Tudful to Asheville (North Carolina) | 3,906.49 mi (6,286.89 km) |
| Merthyr Tudful to Ashland (California) | 5,240.32 mi (8,433.48 km) |
| Merthyr Tudful to Ashland (Kentucky) | 3,775.39 mi (6,075.91 km) |
| Merthyr Tudful to Ashland (Ohio) | 3,652.93 mi (5,878.82 km) |
| Merthyr Tudful to Ashland (Oregon) | 5,000.96 mi (8,048.27 km) |
| Merthyr Tudful to Ashtabula (Ohio) | 3,547.66 mi (5,709.41 km) |
