| Harlingen to Amorebieta | 782.63 mi (1,259.52 km) |
| Harlingen to Amposta | 890.42 mi (1,432.99 km) |
| Harlingen to Amurrio | 798.85 mi (1,285.62 km) |
| Harlingen to Andoain | 767.68 mi (1,235.45 km) |
| Harlingen to Andraitx | 950.25 mi (1,529.28 km) |
| Harlingen to Andujar | 1,139.31 mi (1,833.54 km) |
| Harlingen to Antequera | 1,215.14 mi (1,955.58 km) |
| Harlingen to Antigua | 1,975.62 mi (3,179.46 km) |
| Harlingen to Aranda de Duero | 899.25 mi (1,447.20 km) |
| Harlingen to Aranjuez | 1,002.16 mi (1,612.82 km) |
| Harlingen to Archena | 1,088.81 mi (1,752.27 km) |
| Harlingen to Arcos de la Frontera | 1,257.06 mi (2,023.04 km) |
| Harlingen to Arenys de Mar | 811.97 mi (1,306.73 km) |
| Harlingen to Arenys de Munt | 809.93 mi (1,303.46 km) |
| Harlingen to Argentona | 814.90 mi (1,311.46 km) |
