| Heerlen to Amorebieta | 668.98 mi (1,076.62 km) |
| Heerlen to Amposta | 748.99 mi (1,205.38 km) |
| Heerlen to Amurrio | 686.10 mi (1,104.18 km) |
| Heerlen to Andoain | 649.13 mi (1,044.67 km) |
| Heerlen to Andraitx | 800.11 mi (1,287.65 km) |
| Heerlen to Andujar | 1,013.94 mi (1,631.78 km) |
| Heerlen to Antequera | 1,089.62 mi (1,753.58 km) |
| Heerlen to Antigua | 1,868.62 mi (3,007.26 km) |
| Heerlen to Aranda de Duero | 784.15 mi (1,261.97 km) |
| Heerlen to Aranjuez | 880.30 mi (1,416.70 km) |
| Heerlen to Archena | 951.27 mi (1,530.92 km) |
| Heerlen to Arcos de la Frontera | 1,136.44 mi (1,828.92 km) |
| Heerlen to Arenys de Mar | 663.09 mi (1,067.13 km) |
| Heerlen to Arenys de Munt | 661.12 mi (1,063.98 km) |
| Heerlen to Argentona | 666.60 mi (1,072.79 km) |
