| Isabela to Alenquer | 3,719.68 mi (5,986.25 km) |
| Isabela to Alfena | 3,760.28 mi (6,051.58 km) |
| Isabela to Alijo | 3,814.81 mi (6,139.35 km) |
| Isabela to Aljustrel | 3,759.67 mi (6,050.60 km) |
| Isabela to Almada | 3,709.91 mi (5,970.53 km) |
| Isabela to Almargem | 3,704.83 mi (5,962.35 km) |
| Isabela to Almeirim | 3,741.93 mi (6,022.06 km) |
| Isabela to Amadora | 3,706.19 mi (5,964.54 km) |
| Isabela to Amarante | 3,784.18 mi (6,090.04 km) |
| Isabela to Amares | 3,773.03 mi (6,072.10 km) |
| Isabela to Amora | 3,711.72 mi (5,973.44 km) |
| Isabela to Anadia | 3,759.35 mi (6,050.09 km) |
| Isabela to Angra do Heroismo | 2,757.24 mi (4,437.35 km) |
| Isabela to Ansiao | 3,755.99 mi (6,044.69 km) |
| Isabela to Anta | 3,753.40 mi (6,040.52 km) |
