| Portimao to Archdale (North Carolina) | 3,866.45 mi (6,222.45 km) |
| Portimao to Arden-Arcade (California) | 5,683.23 mi (9,146.27 km) |
| Portimao to Ardmore (Oklahoma) | 4,779.36 mi (7,691.64 km) |
| Portimao to Ardmore (Pennsylvania) | 3,524.97 mi (5,672.90 km) |
| Portimao to Arecibo (Puerto Rico) | 3,722.41 mi (5,990.64 km) |
| Portimao to Arkadelphia (Arkansas) | 4,582.63 mi (7,375.02 km) |
| Portimao to Arkansas City (Kansas) | 4,672.78 mi (7,520.11 km) |
| Portimao to Arlington (Tennessee) | 4,375.50 mi (7,041.69 km) |
| Portimao to Arlington (Texas) | 4,833.67 mi (7,779.04 km) |
| Portimao to Arlington (Virginia) | 3,642.37 mi (5,861.83 km) |
| Portimao to Arlington (Washington) | 5,271.37 mi (8,483.46 km) |
| Portimao to Arlington Heights (Illinois) | 4,085.54 mi (6,575.04 km) |
| Portimao to Arnold (Maryland) | 3,608.00 mi (5,806.52 km) |
| Portimao to Arnold (Missouri) | 4,308.55 mi (6,933.94 km) |
| Portimao to Arroyo Grande (California) | 5,811.48 mi (9,352.68 km) |
