| Harlingen to Alfena | 1,049.22 mi (1,688.55 km) |
| Harlingen to Alijo | 1,017.59 mi (1,637.65 km) |
| Harlingen to Aljustrel | 1,237.87 mi (1,992.16 km) |
| Harlingen to Almada | 1,217.26 mi (1,958.99 km) |
| Harlingen to Almargem | 1,210.33 mi (1,947.84 km) |
| Harlingen to Almeirim | 1,171.62 mi (1,885.54 km) |
| Harlingen to Amadora | 1,216.11 mi (1,957.15 km) |
| Harlingen to Amarante | 1,034.54 mi (1,664.94 km) |
| Harlingen to Amares | 1,021.94 mi (1,644.65 km) |
| Harlingen to Amora | 1,219.43 mi (1,962.48 km) |
| Harlingen to Anadia | 1,093.46 mi (1,759.76 km) |
| Harlingen to Angra do Heroismo | 1,838.02 mi (2,958.00 km) |
| Harlingen to Ansiao | 1,123.96 mi (1,808.84 km) |
| Harlingen to Anta | 1,065.39 mi (1,714.58 km) |
| Harlingen to Arcos de Valdevez | 1,011.25 mi (1,627.46 km) |
