| Middle Valley to Alenquer | 4,078.26 mi (6,563.32 km) |
| Middle Valley to Alfena | 4,046.36 mi (6,511.99 km) |
| Middle Valley to Alijo | 4,096.16 mi (6,592.13 km) |
| Middle Valley to Aljustrel | 4,150.92 mi (6,680.26 km) |
| Middle Valley to Almada | 4,080.91 mi (6,567.58 km) |
| Middle Valley to Almargem | 4,070.88 mi (6,551.45 km) |
| Middle Valley to Almeirim | 4,094.16 mi (6,588.92 km) |
| Middle Valley to Amadora | 4,075.77 mi (6,559.32 km) |
| Middle Valley to Amarante | 4,067.83 mi (6,546.54 km) |
| Middle Valley to Amares | 4,046.18 mi (6,511.70 km) |
| Middle Valley to Amora | 4,084.29 mi (6,573.03 km) |
| Middle Valley to Anadia | 4,071.21 mi (6,551.97 km) |
| Middle Valley to Angra do Heroismo | 3,157.98 mi (5,082.29 km) |
| Middle Valley to Ansiao | 4,084.51 mi (6,573.39 km) |
| Middle Valley to Anta | 4,047.31 mi (6,513.52 km) |
