| Merthyr Tudful to Anderson (Indiana) | 3,821.93 mi (6,150.81 km) |
| Merthyr Tudful to Anderson (South Carolina) | 3,960.23 mi (6,373.38 km) |
| Merthyr Tudful to Anderson Creek (North Carolina) | 3,772.54 mi (6,071.31 km) |
| Merthyr Tudful to Andover (Kansas) | 4,379.67 mi (7,048.40 km) |
| Merthyr Tudful to Andover (Minnesota) | 3,874.31 mi (6,235.10 km) |
| Merthyr Tudful to Andrews (Texas) | 4,860.14 mi (7,821.64 km) |
| Merthyr Tudful to Angleton (Texas) | 4,746.07 mi (7,638.06 km) |
| Merthyr Tudful to Ankeny (Iowa) | 4,049.63 mi (6,517.25 km) |
| Merthyr Tudful to Ann Arbor (Michigan) | 3,646.09 mi (5,867.82 km) |
| Merthyr Tudful to Anna (Texas) | 4,576.22 mi (7,364.71 km) |
| Merthyr Tudful to Annandale (Virginia) | 3,536.56 mi (5,691.54 km) |
| Merthyr Tudful to Annapolis (Maryland) | 3,501.99 mi (5,635.90 km) |
| Merthyr Tudful to Annapolis Neck (Maryland) | 3,503.10 mi (5,637.70 km) |
| Merthyr Tudful to Anniston (Alabama) | 4,130.98 mi (6,648.17 km) |
| Merthyr Tudful to Anoka (Minnesota) | 3,878.76 mi (6,242.27 km) |
