| Middle Valley to Arcos de Valdevez | 4,036.36 mi (6,495.89 km) |
| Middle Valley to Arcozelo | 4,045.40 mi (6,510.44 km) |
| Middle Valley to Arganil | 4,095.29 mi (6,590.74 km) |
| Middle Valley to Arouca | 4,067.63 mi (6,546.21 km) |
| Middle Valley to Arruda dos Vinhos | 4,077.52 mi (6,562.13 km) |
| Middle Valley to Aveiro | 4,055.53 mi (6,526.75 km) |
| Middle Valley to Aver-o-Mar | 4,030.43 mi (6,486.36 km) |
| Middle Valley to Aves | 4,052.20 mi (6,521.38 km) |
| Middle Valley to Azambuja | 4,085.27 mi (6,574.60 km) |
| Middle Valley to Baiao | 4,071.97 mi (6,553.21 km) |
| Middle Valley to Barcelos | 4,035.00 mi (6,493.70 km) |
| Middle Valley to Barreiro | 4,085.83 mi (6,575.51 km) |
| Middle Valley to Batalha | 4,073.37 mi (6,555.45 km) |
| Middle Valley to Beja | 4,161.92 mi (6,697.96 km) |
| Middle Valley to Belas | 4,072.76 mi (6,554.47 km) |
