| Heiloo to Alfena | 1,000.10 mi (1,609.50 km) |
| Heiloo to Alijo | 968.25 mi (1,558.25 km) |
| Heiloo to Aljustrel | 1,188.39 mi (1,912.54 km) |
| Heiloo to Almada | 1,167.88 mi (1,879.52 km) |
| Heiloo to Almargem | 1,160.98 mi (1,868.41 km) |
| Heiloo to Almeirim | 1,122.22 mi (1,806.04 km) |
| Heiloo to Amadora | 1,166.74 mi (1,877.69 km) |
| Heiloo to Amarante | 985.32 mi (1,585.72 km) |
| Heiloo to Amares | 972.86 mi (1,565.66 km) |
| Heiloo to Amora | 1,170.03 mi (1,882.99 km) |
| Heiloo to Anadia | 1,044.17 mi (1,680.43 km) |
| Heiloo to Angra do Heroismo | 1,796.76 mi (2,891.61 km) |
| Heiloo to Ansiao | 1,074.60 mi (1,729.41 km) |
| Heiloo to Anta | 1,016.25 mi (1,635.49 km) |
| Heiloo to Arcos de Valdevez | 962.26 mi (1,548.60 km) |
