| Markham to Alenquer | 3,996.16 mi (6,431.20 km) |
| Markham to Alfena | 3,944.36 mi (6,347.83 km) |
| Markham to Alijo | 3,990.71 mi (6,422.42 km) |
| Markham to Aljustrel | 4,075.47 mi (6,558.84 km) |
| Markham to Almada | 4,002.36 mi (6,441.18 km) |
| Markham to Almargem | 3,991.30 mi (6,423.38 km) |
| Markham to Almeirim | 4,009.54 mi (6,452.73 km) |
| Markham to Amadora | 3,997.03 mi (6,432.59 km) |
| Markham to Amarante | 3,964.22 mi (6,379.80 km) |
| Markham to Amares | 3,940.42 mi (6,341.50 km) |
| Markham to Amora | 4,006.07 mi (6,447.14 km) |
| Markham to Anadia | 3,975.69 mi (6,398.26 km) |
| Markham to Angra do Heroismo | 3,134.94 mi (5,045.20 km) |
| Markham to Ansiao | 3,993.32 mi (6,426.63 km) |
| Markham to Anta | 3,947.55 mi (6,352.97 km) |
