| Irving to Alenquer | 4,738.81 mi (7,626.38 km) |
| Irving to Alfena | 4,697.54 mi (7,559.96 km) |
| Irving to Alijo | 4,745.72 mi (7,637.50 km) |
| Irving to Aljustrel | 4,814.47 mi (7,748.14 km) |
| Irving to Almada | 4,743.00 mi (7,633.12 km) |
| Irving to Almargem | 4,732.51 mi (7,616.24 km) |
| Irving to Almeirim | 4,753.64 mi (7,650.24 km) |
| Irving to Amadora | 4,737.77 mi (7,624.70 km) |
| Irving to Amarante | 4,718.26 mi (7,593.30 km) |
| Irving to Amares | 4,695.47 mi (7,556.63 km) |
| Irving to Amora | 4,746.52 mi (7,638.79 km) |
| Irving to Anadia | 4,725.61 mi (7,605.14 km) |
| Irving to Angra do Heroismo | 3,837.11 mi (6,175.23 km) |
| Irving to Ansiao | 4,740.98 mi (7,629.88 km) |
| Irving to Anta | 4,699.61 mi (7,563.28 km) |
