| Boo to Alenquer | 1,838.75 mi (2,959.18 km) |
| Boo to Alfena | 1,697.29 mi (2,731.53 km) |
| Boo to Alijo | 1,665.22 mi (2,679.91 km) |
| Boo to Aljustrel | 1,882.77 mi (3,030.02 km) |
| Boo to Almada | 1,864.53 mi (3,000.67 km) |
| Boo to Almargem | 1,857.83 mi (2,989.88 km) |
| Boo to Almeirim | 1,818.73 mi (2,926.97 km) |
| Boo to Amadora | 1,863.50 mi (2,999.01 km) |
| Boo to Amarante | 1,682.52 mi (2,707.76 km) |
| Boo to Amares | 1,670.02 mi (2,687.63 km) |
| Boo to Amora | 1,866.61 mi (3,004.03 km) |
| Boo to Anadia | 1,741.27 mi (2,802.31 km) |
| Boo to Angra do Heroismo | 2,435.33 mi (3,919.29 km) |
| Boo to Ansiao | 1,771.46 mi (2,850.88 km) |
| Boo to Anta | 1,713.46 mi (2,757.54 km) |
