| Portimao to Ansonia (Connecticut) | 3,384.94 mi (5,447.54 km) |
| Portimao to Antelope (California) | 5,677.02 mi (9,136.29 km) |
| Portimao to Anthem (Arizona) | 5,498.25 mi (8,848.59 km) |
| Portimao to Antioch (California) | 5,728.70 mi (9,219.45 km) |
| Portimao to Antioch (Illinois) | 4,079.08 mi (6,564.64 km) |
| Portimao to Apache Junction (Arizona) | 5,491.27 mi (8,837.34 km) |
| Portimao to Apex (North Carolina) | 3,816.02 mi (6,141.30 km) |
| Portimao to Apollo Beach (Florida) | 4,248.66 mi (6,837.55 km) |
| Portimao to Apopka (Florida) | 4,170.91 mi (6,712.43 km) |
| Portimao to Apple Valley (California) | 5,694.29 mi (9,164.08 km) |
| Portimao to Apple Valley (Minnesota) | 4,246.94 mi (6,834.78 km) |
| Portimao to Appleton (Wisconsin) | 4,044.01 mi (6,508.21 km) |
| Portimao to Arbutus (Maryland) | 3,612.89 mi (5,814.39 km) |
| Portimao to Arcadia (California) | 5,748.13 mi (9,250.71 km) |
| Portimao to Arcata (California) | 5,682.10 mi (9,144.46 km) |
