| Llantrisant to Ashwaubenon (Wisconsin) | 3,722.44 mi (5,990.69 km) |
| Llantrisant to Aspen Hill (Maryland) | 3,524.37 mi (5,671.93 km) |
| Llantrisant to Astoria (Oregon) | 4,815.69 mi (7,750.11 km) |
| Llantrisant to Atascadero (California) | 5,331.47 mi (8,580.18 km) |
| Llantrisant to Atascocita (Texas) | 4,700.27 mi (7,564.36 km) |
| Llantrisant to Atchison (Kansas) | 4,218.32 mi (6,788.72 km) |
| Llantrisant to Athens (Alabama) | 4,127.81 mi (6,643.07 km) |
| Llantrisant to Athens (Georgia) | 4,021.18 mi (6,471.46 km) |
| Llantrisant to Athens (Ohio) | 3,718.54 mi (5,984.40 km) |
| Llantrisant to Athens (Tennessee) | 4,000.04 mi (6,437.44 km) |
| Llantrisant to Athens (Texas) | 4,611.90 mi (7,422.13 km) |
| Llantrisant to Atlanta (Georgia) | 4,073.64 mi (6,555.89 km) |
| Llantrisant to Atlantic Beach (Florida) | 4,114.55 mi (6,621.73 km) |
| Llantrisant to Atlantic City (New Jersey) | 3,403.08 mi (5,476.72 km) |
| Llantrisant to Attleboro (Massachusetts) | 3,164.29 mi (5,092.43 km) |
