| Otopeni to Alenquer | 1,831.91 mi (2,948.18 km) |
| Otopeni to Alfena | 1,752.75 mi (2,820.78 km) |
| Otopeni to Alijo | 1,700.33 mi (2,736.42 km) |
| Otopeni to Aljustrel | 1,822.50 mi (2,933.03 km) |
| Otopeni to Almada | 1,849.18 mi (2,975.96 km) |
| Otopeni to Almargem | 1,850.06 mi (2,977.38 km) |
| Otopeni to Almeirim | 1,808.12 mi (2,909.89 km) |
| Otopeni to Amadora | 1,851.38 mi (2,979.51 km) |
| Otopeni to Amarante | 1,729.60 mi (2,783.51 km) |
| Otopeni to Amares | 1,734.90 mi (2,792.06 km) |
| Otopeni to Amora | 1,848.76 mi (2,975.29 km) |
| Otopeni to Anadia | 1,767.23 mi (2,844.08 km) |
| Otopeni to Angra do Heroismo | 2,733.67 mi (4,399.42 km) |
| Otopeni to Ansiao | 1,780.18 mi (2,864.92 km) |
| Otopeni to Anta | 1,762.95 mi (2,837.19 km) |
