| Key West to Arcata (California) | 2,671.96 mi (4,300.10 km) |
| Key West to Archdale (North Carolina) | 790.88 mi (1,272.80 km) |
| Key West to Arden-Arcade (California) | 2,501.12 mi (4,025.16 km) |
| Key West to Ardmore (Oklahoma) | 1,136.45 mi (1,828.93 km) |
| Key West to Ardmore (Pennsylvania) | 1,131.09 mi (1,820.32 km) |
| Key West to Arecibo (Puerto Rico) | 1,054.07 mi (1,696.36 km) |
| Key West to Arkadelphia (Arkansas) | 946.97 mi (1,524.00 km) |
| Key West to Arkansas City (Kansas) | 1,248.56 mi (2,009.36 km) |
| Key West to Arlington (Tennessee) | 876.36 mi (1,410.36 km) |
| Key West to Arlington (Texas) | 1,085.49 mi (1,746.93 km) |
| Key West to Arlington (Virginia) | 1,026.09 mi (1,651.33 km) |
| Key West to Arlington (Washington) | 2,727.42 mi (4,389.36 km) |
| Key West to Arlington Heights (Illinois) | 1,262.22 mi (2,031.35 km) |
| Key West to Arnold (Maryland) | 1,046.84 mi (1,684.73 km) |
| Key West to Arnold (Missouri) | 1,082.33 mi (1,741.84 km) |
