| Horn Lake to Alenquer | 4,325.59 mi (6,961.37 km) |
| Horn Lake to Alfena | 4,288.26 mi (6,901.28 km) |
| Horn Lake to Alijo | 4,337.16 mi (6,979.99 km) |
| Horn Lake to Aljustrel | 4,400.07 mi (7,081.23 km) |
| Horn Lake to Almada | 4,329.15 mi (6,967.10 km) |
| Horn Lake to Almargem | 4,318.85 mi (6,950.52 km) |
| Horn Lake to Almeirim | 4,340.87 mi (6,985.96 km) |
| Horn Lake to Amadora | 4,323.96 mi (6,958.74 km) |
| Horn Lake to Amarante | 4,309.31 mi (6,935.16 km) |
| Horn Lake to Amares | 4,287.01 mi (6,899.27 km) |
| Horn Lake to Amora | 4,332.62 mi (6,972.68 km) |
| Horn Lake to Anadia | 4,314.96 mi (6,944.25 km) |
| Horn Lake to Angra do Heroismo | 3,416.88 mi (5,498.93 km) |
| Horn Lake to Ansiao | 4,329.46 mi (6,967.59 km) |
| Horn Lake to Anta | 4,289.84 mi (6,903.83 km) |
