| Birkenau to Alfena | 1,010.85 mi (1,626.81 km) |
| Birkenau to Alijo | 968.00 mi (1,557.84 km) |
| Birkenau to Aljustrel | 1,159.78 mi (1,866.48 km) |
| Birkenau to Almada | 1,156.79 mi (1,861.68 km) |
| Birkenau to Almargem | 1,152.70 mi (1,855.10 km) |
| Birkenau to Almeirim | 1,110.74 mi (1,787.56 km) |
| Birkenau to Amadora | 1,156.95 mi (1,861.93 km) |
| Birkenau to Amarante | 991.50 mi (1,595.67 km) |
| Birkenau to Amares | 986.41 mi (1,587.47 km) |
| Birkenau to Amora | 1,158.02 mi (1,863.65 km) |
| Birkenau to Anadia | 1,044.23 mi (1,680.52 km) |
| Birkenau to Angra do Heroismo | 1,912.03 mi (3,077.11 km) |
| Birkenau to Ansiao | 1,068.81 mi (1,720.09 km) |
| Birkenau to Anta | 1,025.19 mi (1,649.88 km) |
| Birkenau to Arcos de Valdevez | 979.76 mi (1,576.77 km) |
