| Ardea to Alfena | 1,089.42 mi (1,753.25 km) |
| Ardea to Alijo | 1,035.04 mi (1,665.74 km) |
| Ardea to Aljustrel | 1,126.57 mi (1,813.04 km) |
| Ardea to Almada | 1,161.08 mi (1,868.58 km) |
| Ardea to Almargem | 1,163.60 mi (1,872.63 km) |
| Ardea to Almeirim | 1,123.13 mi (1,807.51 km) |
| Ardea to Amadora | 1,163.89 mi (1,873.10 km) |
| Ardea to Amarante | 1,065.56 mi (1,714.85 km) |
| Ardea to Amares | 1,076.06 mi (1,731.76 km) |
| Ardea to Amora | 1,160.14 mi (1,867.06 km) |
| Ardea to Anadia | 1,094.11 mi (1,760.80 km) |
| Ardea to Angra do Heroismo | 2,091.83 mi (3,366.47 km) |
| Ardea to Ansiao | 1,101.56 mi (1,772.79 km) |
| Ardea to Anta | 1,096.98 mi (1,765.42 km) |
| Ardea to Arcos de Valdevez | 1,078.61 mi (1,735.85 km) |
