| Horizon West to Alenquer | 4,126.04 mi (6,640.21 km) |
| Horizon West to Alfena | 4,116.82 mi (6,625.37 km) |
| Horizon West to Alijo | 4,169.39 mi (6,709.98 km) |
| Horizon West to Aljustrel | 4,189.83 mi (6,742.87 km) |
| Horizon West to Almada | 4,124.71 mi (6,638.07 km) |
| Horizon West to Almargem | 4,116.04 mi (6,624.13 km) |
| Horizon West to Almeirim | 4,144.40 mi (6,669.77 km) |
| Horizon West to Amadora | 4,119.91 mi (6,630.35 km) |
| Horizon West to Amarante | 4,139.61 mi (6,662.05 km) |
| Horizon West to Amares | 4,120.80 mi (6,631.78 km) |
| Horizon West to Amora | 4,127.66 mi (6,642.82 km) |
| Horizon West to Anadia | 4,133.97 mi (6,652.97 km) |
| Horizon West to Angra do Heroismo | 3,164.17 mi (5,092.24 km) |
| Horizon West to Ansiao | 4,142.21 mi (6,666.24 km) |
| Horizon West to Anta | 4,115.27 mi (6,622.89 km) |
