| Mountain Ash to Archdale (North Carolina) | 3,785.25 mi (6,091.77 km) |
| Mountain Ash to Arden-Arcade (California) | 5,169.07 mi (8,318.81 km) |
| Mountain Ash to Ardmore (Oklahoma) | 4,557.16 mi (7,334.04 km) |
| Mountain Ash to Ardmore (Pennsylvania) | 3,407.94 mi (5,484.56 km) |
| Mountain Ash to Arecibo (Puerto Rico) | 4,090.44 mi (6,582.93 km) |
| Mountain Ash to Arkadelphia (Arkansas) | 4,402.03 mi (7,084.37 km) |
| Mountain Ash to Arkansas City (Kansas) | 4,408.67 mi (7,095.07 km) |
| Mountain Ash to Arlington (Tennessee) | 4,210.71 mi (6,776.48 km) |
| Mountain Ash to Arlington (Texas) | 4,633.38 mi (7,456.71 km) |
| Mountain Ash to Arlington (Virginia) | 3,531.74 mi (5,683.79 km) |
| Mountain Ash to Arlington (Washington) | 4,651.21 mi (7,485.40 km) |
| Mountain Ash to Arlington Heights (Illinois) | 3,821.12 mi (6,149.50 km) |
| Mountain Ash to Arnold (Maryland) | 3,499.57 mi (5,632.01 km) |
| Mountain Ash to Arnold (Missouri) | 4,085.33 mi (6,574.70 km) |
| Mountain Ash to Arroyo Grande (California) | 5,342.09 mi (8,597.27 km) |
