| Altena to Arcozelo | 1,049.07 mi (1,688.32 km) |
| Altena to Arganil | 1,072.96 mi (1,726.76 km) |
| Altena to Arouca | 1,041.67 mi (1,676.41 km) |
| Altena to Arruda dos Vinhos | 1,173.26 mi (1,888.17 km) |
| Altena to Aveiro | 1,071.25 mi (1,724.02 km) |
| Altena to Aver-o-Mar | 1,035.91 mi (1,667.14 km) |
| Altena to Aves | 1,017.55 mi (1,637.59 km) |
| Altena to Azambuja | 1,162.11 mi (1,870.23 km) |
| Altena to Baiao | 1,022.31 mi (1,645.25 km) |
| Altena to Barcelos | 1,024.83 mi (1,649.31 km) |
| Altena to Barreiro | 1,190.56 mi (1,916.02 km) |
| Altena to Batalha | 1,128.35 mi (1,815.90 km) |
| Altena to Beja | 1,188.30 mi (1,912.38 km) |
| Altena to Belas | 1,191.36 mi (1,917.31 km) |
| Altena to Benavente | 1,165.37 mi (1,875.49 km) |
