| Triangle to Arcos de Valdevez | 3,543.32 mi (5,702.43 km) |
| Triangle to Arcozelo | 3,552.24 mi (5,716.78 km) |
| Triangle to Arganil | 3,602.14 mi (5,797.08 km) |
| Triangle to Arouca | 3,574.47 mi (5,752.55 km) |
| Triangle to Arruda dos Vinhos | 3,584.70 mi (5,769.02 km) |
| Triangle to Aveiro | 3,562.37 mi (5,733.08 km) |
| Triangle to Aver-o-Mar | 3,537.30 mi (5,692.74 km) |
| Triangle to Aves | 3,559.09 mi (5,727.80 km) |
| Triangle to Azambuja | 3,592.40 mi (5,781.41 km) |
| Triangle to Baiao | 3,578.84 mi (5,759.59 km) |
| Triangle to Barcelos | 3,541.89 mi (5,700.12 km) |
| Triangle to Barreiro | 3,593.14 mi (5,782.60 km) |
| Triangle to Batalha | 3,580.33 mi (5,761.99 km) |
| Triangle to Beja | 3,669.33 mi (5,905.22 km) |
| Triangle to Belas | 3,580.05 mi (5,761.54 km) |
