| Three Lakes to Arcos de Valdevez | 4,161.89 mi (6,697.91 km) |
| Three Lakes to Arcozelo | 4,159.33 mi (6,693.80 km) |
| Three Lakes to Arganil | 4,199.39 mi (6,758.27 km) |
| Three Lakes to Arouca | 4,181.02 mi (6,728.69 km) |
| Three Lakes to Arruda dos Vinhos | 4,161.46 mi (6,697.22 km) |
| Three Lakes to Aveiro | 4,163.59 mi (6,700.65 km) |
| Three Lakes to Aver-o-Mar | 4,148.83 mi (6,676.90 km) |
| Three Lakes to Aves | 4,172.42 mi (6,714.86 km) |
| Three Lakes to Azambuja | 4,170.99 mi (6,712.56 km) |
| Three Lakes to Baiao | 4,189.19 mi (6,741.85 km) |
| Three Lakes to Barcelos | 4,155.39 mi (6,687.45 km) |
| Three Lakes to Barreiro | 4,165.40 mi (6,703.56 km) |
| Three Lakes to Batalha | 4,167.36 mi (6,706.73 km) |
| Three Lakes to Beja | 4,236.66 mi (6,818.25 km) |
| Three Lakes to Belas | 4,153.18 mi (6,683.90 km) |
