| Llantrisant to Accokeek (Maryland) | 3,539.61 mi (5,696.45 km) |
| Llantrisant to Acworth (Georgia) | 4,069.77 mi (6,549.66 km) |
| Llantrisant to Ada (Oklahoma) | 4,514.80 mi (7,265.87 km) |
| Llantrisant to Addison (Illinois) | 3,834.00 mi (6,170.22 km) |
| Llantrisant to Addison (Texas) | 4,612.95 mi (7,423.82 km) |
| Llantrisant to Adelanto (California) | 5,276.67 mi (8,491.97 km) |
| Llantrisant to Adelphi (Maryland) | 3,523.55 mi (5,670.61 km) |
| Llantrisant to Adrian (Michigan) | 3,680.82 mi (5,923.70 km) |
| Llantrisant to Affton (Missouri) | 4,081.89 mi (6,569.17 km) |
| Llantrisant to Agoura Hills (California) | 5,344.60 mi (8,601.30 km) |
| Llantrisant to Aguadilla (Puerto Rico) | 4,107.27 mi (6,610.02 km) |
| Llantrisant to Aiken (South Carolina) | 3,973.24 mi (6,394.31 km) |
| Llantrisant to Akron (Ohio) | 3,616.94 mi (5,820.90 km) |
| Llantrisant to Alabaster (Alabama) | 4,198.53 mi (6,756.88 km) |
| Llantrisant to Alachua (Florida) | 4,187.06 mi (6,738.43 km) |
