| Birkenau to Arcozelo | 1,023.58 mi (1,647.29 km) |
| Birkenau to Arganil | 1,039.92 mi (1,673.60 km) |
| Birkenau to Arouca | 1,013.66 mi (1,631.33 km) |
| Birkenau to Arruda dos Vinhos | 1,138.30 mi (1,831.92 km) |
| Birkenau to Aveiro | 1,043.30 mi (1,679.03 km) |
| Birkenau to Aver-o-Mar | 1,013.15 mi (1,630.51 km) |
| Birkenau to Aves | 992.91 mi (1,597.94 km) |
| Birkenau to Azambuja | 1,126.68 mi (1,813.22 km) |
| Birkenau to Baiao | 994.74 mi (1,600.88 km) |
| Birkenau to Barcelos | 1,002.11 mi (1,612.73 km) |
| Birkenau to Barreiro | 1,154.06 mi (1,857.29 km) |
| Birkenau to Batalha | 1,095.62 mi (1,763.23 km) |
| Birkenau to Beja | 1,143.61 mi (1,840.47 km) |
| Birkenau to Belas | 1,156.29 mi (1,860.86 km) |
| Birkenau to Benavente | 1,129.16 mi (1,817.21 km) |
