| Halstead to Arcos de Valdevez | 816.97 mi (1,314.78 km) |
| Halstead to Arcozelo | 870.72 mi (1,401.29 km) |
| Halstead to Arganil | 909.63 mi (1,463.91 km) |
| Halstead to Arouca | 869.06 mi (1,398.62 km) |
| Halstead to Arruda dos Vinhos | 1,009.56 mi (1,624.73 km) |
| Halstead to Aveiro | 897.03 mi (1,443.63 km) |
| Halstead to Aver-o-Mar | 852.51 mi (1,371.99 km) |
| Halstead to Aves | 839.04 mi (1,350.30 km) |
| Halstead to Azambuja | 999.90 mi (1,609.19 km) |
| Halstead to Baiao | 849.77 mi (1,367.57 km) |
| Halstead to Barcelos | 841.93 mi (1,354.95 km) |
| Halstead to Barreiro | 1,029.53 mi (1,656.86 km) |
| Halstead to Batalha | 961.74 mi (1,547.77 km) |
| Halstead to Beja | 1,045.88 mi (1,683.18 km) |
| Halstead to Belas | 1,027.19 mi (1,653.10 km) |
