| Balsta to Arcos de Valdevez | 1,648.58 mi (2,653.14 km) |
| Balsta to Arcozelo | 1,700.77 mi (2,737.12 km) |
| Balsta to Arganil | 1,733.89 mi (2,790.43 km) |
| Balsta to Arouca | 1,696.93 mi (2,730.95 km) |
| Balsta to Arruda dos Vinhos | 1,834.77 mi (2,952.77 km) |
| Balsta to Aveiro | 1,725.76 mi (2,777.35 km) |
| Balsta to Aver-o-Mar | 1,684.13 mi (2,710.34 km) |
| Balsta to Aves | 1,668.89 mi (2,685.82 km) |
| Balsta to Azambuja | 1,824.36 mi (2,936.03 km) |
| Balsta to Baiao | 1,677.45 mi (2,699.59 km) |
| Balsta to Barcelos | 1,673.30 mi (2,692.91 km) |
| Balsta to Barreiro | 1,853.66 mi (2,983.18 km) |
| Balsta to Batalha | 1,787.88 mi (2,877.31 km) |
| Balsta to Beja | 1,860.34 mi (2,993.93 km) |
| Balsta to Belas | 1,852.73 mi (2,981.69 km) |
