| Norristown to Alenquer | 3,446.02 mi (5,545.83 km) |
| Norristown to Alfena | 3,411.06 mi (5,489.58 km) |
| Norristown to Alijo | 3,460.52 mi (5,569.17 km) |
| Norristown to Aljustrel | 3,520.10 mi (5,665.05 km) |
| Norristown to Almada | 3,449.35 mi (5,551.20 km) |
| Norristown to Almargem | 3,439.11 mi (5,534.72 km) |
| Norristown to Almeirim | 3,461.49 mi (5,570.73 km) |
| Norristown to Amadora | 3,444.17 mi (5,542.86 km) |
| Norristown to Amarante | 3,432.37 mi (5,523.86 km) |
| Norristown to Amares | 3,410.47 mi (5,488.62 km) |
| Norristown to Amora | 3,452.80 mi (5,556.75 km) |
| Norristown to Anadia | 3,436.78 mi (5,530.96 km) |
| Norristown to Angra do Heroismo | 2,539.98 mi (4,087.71 km) |
| Norristown to Ansiao | 3,450.73 mi (5,553.42 km) |
| Norristown to Anta | 3,412.29 mi (5,491.55 km) |
