| Idanha-a-Nova to Archdale (North Carolina) | 3,861.70 mi (6,214.80 km) |
| Idanha-a-Nova to Arden-Arcade (California) | 5,601.90 mi (9,015.39 km) |
| Idanha-a-Nova to Ardmore (Oklahoma) | 4,752.79 mi (7,648.88 km) |
| Idanha-a-Nova to Ardmore (Pennsylvania) | 3,510.14 mi (5,649.03 km) |
| Idanha-a-Nova to Arecibo (Puerto Rico) | 3,806.44 mi (6,125.87 km) |
| Idanha-a-Nova to Arkadelphia (Arkansas) | 4,563.16 mi (7,343.70 km) |
| Idanha-a-Nova to Arkansas City (Kansas) | 4,637.13 mi (7,462.74 km) |
| Idanha-a-Nova to Arlington (Tennessee) | 4,357.82 mi (7,013.24 km) |
| Idanha-a-Nova to Arlington (Texas) | 4,811.83 mi (7,743.90 km) |
| Idanha-a-Nova to Arlington (Virginia) | 3,629.87 mi (5,841.71 km) |
| Idanha-a-Nova to Arlington (Washington) | 5,166.19 mi (8,314.18 km) |
| Idanha-a-Nova to Arlington Heights (Illinois) | 4,045.92 mi (6,511.27 km) |
| Idanha-a-Nova to Arnold (Maryland) | 3,595.64 mi (5,786.62 km) |
| Idanha-a-Nova to Arnold (Missouri) | 4,278.72 mi (6,885.94 km) |
| Idanha-a-Nova to Arroyo Grande (California) | 5,740.05 mi (9,237.72 km) |
