| Halstead to Alenquer | 1,004.25 mi (1,616.19 km) |
| Halstead to Alfena | 856.79 mi (1,378.86 km) |
| Halstead to Alijo | 830.54 mi (1,336.62 km) |
| Halstead to Aljustrel | 1,058.87 mi (1,704.09 km) |
| Halstead to Almada | 1,030.67 mi (1,658.71 km) |
| Halstead to Almargem | 1,022.65 mi (1,645.80 km) |
| Halstead to Almeirim | 986.06 mi (1,586.90 km) |
| Halstead to Amadora | 1,028.99 mi (1,656.00 km) |
| Halstead to Amarante | 844.32 mi (1,358.80 km) |
| Halstead to Amares | 828.98 mi (1,334.12 km) |
| Halstead to Amora | 1,033.21 mi (1,662.79 km) |
| Halstead to Anadia | 904.50 mi (1,455.66 km) |
| Halstead to Angra do Heroismo | 1,619.90 mi (2,606.98 km) |
| Halstead to Ansiao | 936.86 mi (1,507.74 km) |
| Halstead to Anta | 873.35 mi (1,405.51 km) |
