| Mount Washington to Alenquer | 4,004.16 mi (6,444.07 km) |
| Mount Washington to Alfena | 3,964.19 mi (6,379.74 km) |
| Mount Washington to Alijo | 4,012.72 mi (6,457.84 km) |
| Mount Washington to Aljustrel | 4,079.67 mi (6,565.60 km) |
| Mount Washington to Almada | 4,008.25 mi (6,450.65 km) |
| Mount Washington to Almargem | 3,997.78 mi (6,433.81 km) |
| Mount Washington to Almeirim | 4,019.08 mi (6,468.08 km) |
| Mount Washington to Amadora | 4,003.02 mi (6,442.24 km) |
| Mount Washington to Amarante | 3,985.06 mi (6,413.33 km) |
| Mount Washington to Amares | 3,962.51 mi (6,377.04 km) |
| Mount Washington to Amora | 4,011.77 mi (6,456.32 km) |
| Mount Washington to Anadia | 3,991.69 mi (6,424.00 km) |
| Mount Washington to Angra do Heroismo | 3,105.64 mi (4,998.05 km) |
| Mount Washington to Ansiao | 4,006.76 mi (6,448.25 km) |
| Mount Washington to Anta | 3,966.04 mi (6,382.72 km) |
