| Houten to Alfena | 985.78 mi (1,586.46 km) |
| Houten to Alijo | 952.09 mi (1,532.24 km) |
| Houten to Aljustrel | 1,168.96 mi (1,881.27 km) |
| Houten to Almada | 1,150.95 mi (1,852.27 km) |
| Houten to Almargem | 1,144.44 mi (1,841.80 km) |
| Houten to Almeirim | 1,105.06 mi (1,778.43 km) |
| Houten to Amadora | 1,150.00 mi (1,850.75 km) |
| Houten to Amarante | 970.22 mi (1,561.43 km) |
| Houten to Amares | 958.83 mi (1,543.09 km) |
| Houten to Amora | 1,152.97 mi (1,855.53 km) |
| Houten to Anadia | 1,028.42 mi (1,655.08 km) |
| Houten to Angra do Heroismo | 1,802.15 mi (2,900.27 km) |
| Houten to Ansiao | 1,058.10 mi (1,702.85 km) |
| Houten to Anta | 1,001.73 mi (1,612.12 km) |
| Houten to Arcos de Valdevez | 948.79 mi (1,526.94 km) |
