| Bostonia to Arcos de Valdevez | 5,571.68 mi (8,966.76 km) |
| Bostonia to Arcozelo | 5,594.69 mi (9,003.79 km) |
| Bostonia to Arganil | 5,653.71 mi (9,098.76 km) |
| Bostonia to Arouca | 5,616.26 mi (9,038.50 km) |
| Bostonia to Arruda dos Vinhos | 5,660.83 mi (9,110.22 km) |
| Bostonia to Aveiro | 5,611.45 mi (9,030.76 km) |
| Bostonia to Aver-o-Mar | 5,575.09 mi (8,972.23 km) |
| Bostonia to Aves | 5,593.24 mi (9,001.45 km) |
| Bostonia to Azambuja | 5,666.09 mi (9,118.70 km) |
| Bostonia to Baiao | 5,615.58 mi (9,037.41 km) |
| Bostonia to Barcelos | 5,576.88 mi (8,975.12 km) |
| Bostonia to Barreiro | 5,673.73 mi (9,130.98 km) |
| Bostonia to Batalha | 5,645.16 mi (9,085.01 km) |
| Bostonia to Beja | 5,751.30 mi (9,255.83 km) |
| Bostonia to Belas | 5,660.38 mi (9,109.50 km) |
