| Irig to Alenquer | 1,529.19 mi (2,460.99 km) |
| Irig to Alfena | 1,446.81 mi (2,328.41 km) |
| Irig to Alijo | 1,394.69 mi (2,244.53 km) |
| Irig to Aljustrel | 1,523.13 mi (2,451.24 km) |
| Irig to Almada | 1,547.11 mi (2,489.83 km) |
| Irig to Almargem | 1,547.56 mi (2,490.56 km) |
| Irig to Almeirim | 1,505.38 mi (2,422.67 km) |
| Irig to Amadora | 1,549.14 mi (2,493.10 km) |
| Irig to Amarante | 1,423.76 mi (2,291.33 km) |
| Irig to Amares | 1,428.62 mi (2,299.15 km) |
| Irig to Amora | 1,546.84 mi (2,489.39 km) |
| Irig to Anadia | 1,462.39 mi (2,353.49 km) |
| Irig to Angra do Heroismo | 2,426.67 mi (3,905.36 km) |
| Irig to Ansiao | 1,476.19 mi (2,375.70 km) |
| Irig to Anta | 1,457.24 mi (2,345.21 km) |
