| Llantwit Major to Ashwaubenon (Wisconsin) | 3,723.12 mi (5,991.79 km) |
| Llantwit Major to Aspen Hill (Maryland) | 3,522.93 mi (5,669.60 km) |
| Llantwit Major to Astoria (Oregon) | 4,820.19 mi (7,757.34 km) |
| Llantwit Major to Atascadero (California) | 5,334.57 mi (8,585.15 km) |
| Llantwit Major to Atascocita (Texas) | 4,699.61 mi (7,563.30 km) |
| Llantwit Major to Atchison (Kansas) | 4,218.97 mi (6,789.78 km) |
| Llantwit Major to Athens (Alabama) | 4,126.81 mi (6,641.47 km) |
| Llantwit Major to Athens (Georgia) | 4,019.63 mi (6,468.97 km) |
| Llantwit Major to Athens (Ohio) | 3,717.70 mi (5,983.06 km) |
| Llantwit Major to Athens (Tennessee) | 3,998.87 mi (6,435.56 km) |
| Llantwit Major to Athens (Texas) | 4,611.61 mi (7,421.67 km) |
| Llantwit Major to Atlanta (Georgia) | 4,072.19 mi (6,553.56 km) |
| Llantwit Major to Atlantic Beach (Florida) | 4,112.23 mi (6,618.00 km) |
| Llantwit Major to Atlantic City (New Jersey) | 3,401.38 mi (5,474.00 km) |
| Llantwit Major to Attleboro (Massachusetts) | 3,162.73 mi (5,089.92 km) |
