| Merthyr Tudful to Austin (Texas) | 4,779.98 mi (7,692.64 km) |
| Merthyr Tudful to Austintown (Ohio) | 3,579.97 mi (5,761.41 km) |
| Merthyr Tudful to Avenal (California) | 5,272.75 mi (8,485.68 km) |
| Merthyr Tudful to Avenel (New Jersey) | 3,339.63 mi (5,374.62 km) |
| Merthyr Tudful to Aventura (Florida) | 4,275.99 mi (6,881.54 km) |
| Merthyr Tudful to Avocado Heights (California) | 5,316.74 mi (8,556.46 km) |
| Merthyr Tudful to Avon (Indiana) | 3,864.81 mi (6,219.81 km) |
| Merthyr Tudful to Avon (Ohio) | 3,615.21 mi (5,818.13 km) |
| Merthyr Tudful to Avon Lake (Ohio) | 3,613.07 mi (5,814.67 km) |
| Merthyr Tudful to Avondale (Arizona) | 5,159.68 mi (8,303.71 km) |
| Merthyr Tudful to Azalea Park (Florida) | 4,195.22 mi (6,751.56 km) |
| Merthyr Tudful to Azle (Texas) | 4,637.74 mi (7,463.72 km) |
| Merthyr Tudful to Azusa (California) | 5,308.33 mi (8,542.93 km) |
| Merthyr Tudful to Bacliff (Texas) | 4,711.07 mi (7,581.73 km) |
| Merthyr Tudful to Badger (Alaska) | 4,158.38 mi (6,692.26 km) |
