| Horta to Archdale (North Carolina) | 2,793.02 mi (4,494.93 km) |
| Horta to Arden-Arcade (California) | 4,763.36 mi (7,665.89 km) |
| Horta to Ardmore (Oklahoma) | 3,733.27 mi (6,008.12 km) |
| Horta to Ardmore (Pennsylvania) | 2,469.20 mi (3,973.79 km) |
| Horta to Arecibo (Puerto Rico) | 2,670.03 mi (4,297.00 km) |
| Horta to Arkadelphia (Arkansas) | 3,525.98 mi (5,674.52 km) |
| Horta to Arkansas City (Kansas) | 3,644.90 mi (5,865.90 km) |
| Horta to Arlington (Tennessee) | 3,317.41 mi (5,338.85 km) |
| Horta to Arlington (Texas) | 3,779.21 mi (6,082.06 km) |
| Horta to Arlington (Virginia) | 2,581.66 mi (4,154.78 km) |
| Horta to Arlington (Washington) | 4,448.91 mi (7,159.83 km) |
| Horta to Arlington Heights (Illinois) | 3,073.05 mi (4,945.60 km) |
| Horta to Arnold (Maryland) | 2,547.38 mi (4,099.61 km) |
| Horta to Arnold (Missouri) | 3,272.48 mi (5,266.55 km) |
| Horta to Arroyo Grande (California) | 4,859.17 mi (7,820.08 km) |
