| Shoreline to Alenquer | 5,178.57 mi (8,334.10 km) |
| Shoreline to Alfena | 5,079.06 mi (8,173.96 km) |
| Shoreline to Alijo | 5,111.85 mi (8,226.72 km) |
| Shoreline to Aljustrel | 5,268.25 mi (8,478.42 km) |
| Shoreline to Almada | 5,193.34 mi (8,357.88 km) |
| Shoreline to Almargem | 5,180.57 mi (8,337.32 km) |
| Shoreline to Almeirim | 5,184.27 mi (8,343.28 km) |
| Shoreline to Amadora | 5,187.94 mi (8,349.19 km) |
| Shoreline to Amarante | 5,092.79 mi (8,196.05 km) |
| Shoreline to Amares | 5,065.37 mi (8,151.92 km) |
| Shoreline to Amora | 5,197.56 mi (8,364.67 km) |
| Shoreline to Anadia | 5,124.86 mi (8,247.67 km) |
| Shoreline to Angra do Heroismo | 4,522.11 mi (7,277.63 km) |
| Shoreline to Ansiao | 5,152.34 mi (8,291.89 km) |
| Shoreline to Anta | 5,087.97 mi (8,188.29 km) |
