| Seymour to Alenquer | 3,992.18 mi (6,424.80 km) |
| Seymour to Alfena | 3,949.40 mi (6,355.94 km) |
| Seymour to Alijo | 3,997.44 mi (6,433.26 km) |
| Seymour to Aljustrel | 4,068.64 mi (6,547.85 km) |
| Seymour to Almada | 3,996.78 mi (6,432.19 km) |
| Seymour to Almargem | 3,986.17 mi (6,415.11 km) |
| Seymour to Almeirim | 4,006.75 mi (6,448.24 km) |
| Seymour to Amadora | 3,991.52 mi (6,423.74 km) |
| Seymour to Amarante | 3,970.05 mi (6,389.17 km) |
| Seymour to Amares | 3,947.19 mi (6,352.39 km) |
| Seymour to Amora | 4,000.34 mi (6,437.93 km) |
| Seymour to Anadia | 3,977.82 mi (6,401.68 km) |
| Seymour to Angra do Heroismo | 3,101.98 mi (4,992.16 km) |
| Seymour to Ansiao | 3,993.50 mi (6,426.92 km) |
| Seymour to Anta | 3,951.57 mi (6,359.43 km) |
