| Heum to Alfena | 1,472.83 mi (2,370.29 km) |
| Heum to Alijo | 1,446.31 mi (2,327.62 km) |
| Heum to Aljustrel | 1,672.92 mi (2,692.31 km) |
| Heum to Almada | 1,646.54 mi (2,649.85 km) |
| Heum to Almargem | 1,638.63 mi (2,637.12 km) |
| Heum to Almeirim | 1,601.74 mi (2,577.75 km) |
| Heum to Amadora | 1,644.91 mi (2,647.23 km) |
| Heum to Amarante | 1,460.39 mi (2,350.28 km) |
| Heum to Amares | 1,445.00 mi (2,325.50 km) |
| Heum to Amora | 1,649.02 mi (2,653.85 km) |
| Heum to Anadia | 1,520.53 mi (2,447.06 km) |
| Heum to Angra do Heroismo | 2,159.06 mi (3,474.67 km) |
| Heum to Ansiao | 1,552.73 mi (2,498.88 km) |
| Heum to Anta | 1,489.40 mi (2,396.96 km) |
| Heum to Arcos de Valdevez | 1,432.86 mi (2,305.96 km) |
