| Llantwit Major to Ansonia (Connecticut) | 3,260.39 mi (5,247.09 km) |
| Llantwit Major to Antelope (California) | 5,172.25 mi (8,323.93 km) |
| Llantwit Major to Anthem (Arizona) | 5,136.75 mi (8,266.80 km) |
| Llantwit Major to Antioch (California) | 5,227.51 mi (8,412.87 km) |
| Llantwit Major to Antioch (Illinois) | 3,812.11 mi (6,134.99 km) |
| Llantwit Major to Apache Junction (Arizona) | 5,141.11 mi (8,273.81 km) |
| Llantwit Major to Apex (North Carolina) | 3,749.48 mi (6,034.20 km) |
| Llantwit Major to Apollo Beach (Florida) | 4,281.00 mi (6,889.61 km) |
| Llantwit Major to Apopka (Florida) | 4,197.58 mi (6,755.35 km) |
| Llantwit Major to Apple Valley (California) | 5,274.22 mi (8,488.04 km) |
| Llantwit Major to Apple Valley (Minnesota) | 3,901.90 mi (6,279.50 km) |
| Llantwit Major to Appleton (Wisconsin) | 3,743.43 mi (6,024.47 km) |
| Llantwit Major to Arbutus (Maryland) | 3,500.20 mi (5,633.02 km) |
| Llantwit Major to Arcadia (California) | 5,324.27 mi (8,568.59 km) |
| Llantwit Major to Arcata (California) | 5,131.24 mi (8,257.93 km) |
