| Shoreline to Arcos de Valdevez | 5,050.33 mi (8,127.72 km) |
| Shoreline to Arcozelo | 5,084.93 mi (8,183.40 km) |
| Shoreline to Arganil | 5,149.06 mi (8,286.61 km) |
| Shoreline to Arouca | 5,104.56 mi (8,215.00 km) |
| Shoreline to Arruda dos Vinhos | 5,180.40 mi (8,337.05 km) |
| Shoreline to Aveiro | 5,106.96 mi (8,218.86 km) |
| Shoreline to Aver-o-Mar | 5,062.16 mi (8,146.76 km) |
| Shoreline to Aves | 5,075.84 mi (8,168.78 km) |
| Shoreline to Azambuja | 5,182.82 mi (8,340.95 km) |
| Shoreline to Baiao | 5,099.21 mi (8,206.39 km) |
| Shoreline to Barcelos | 5,061.26 mi (8,145.31 km) |
| Shoreline to Barreiro | 5,197.22 mi (8,364.12 km) |
| Shoreline to Batalha | 5,154.09 mi (8,294.71 km) |
| Shoreline to Beja | 5,271.73 mi (8,484.03 km) |
| Shoreline to Belas | 5,184.39 mi (8,343.46 km) |
