| Heerlen to Alicante | 921.94 mi (1,483.72 km) |
| Heerlen to Aljaraque | 1,137.18 mi (1,830.12 km) |
| Heerlen to Almagro | 953.23 mi (1,534.08 km) |
| Heerlen to Almansa | 898.64 mi (1,446.22 km) |
| Heerlen to Almazora | 810.28 mi (1,304.02 km) |
| Heerlen to Almendralejo | 1,036.38 mi (1,667.89 km) |
| Heerlen to Almeria | 1,056.02 mi (1,699.51 km) |
| Heerlen to Almonte | 1,123.59 mi (1,808.25 km) |
| Heerlen to Almoradi | 942.59 mi (1,516.95 km) |
| Heerlen to Almunecar | 1,087.99 mi (1,750.95 km) |
| Heerlen to Almusafes | 858.85 mi (1,382.18 km) |
| Heerlen to Alovera | 837.18 mi (1,347.31 km) |
| Heerlen to Alpedrete | 853.94 mi (1,374.29 km) |
| Heerlen to Altea | 898.22 mi (1,445.55 km) |
| Heerlen to Ames | 880.78 mi (1,417.48 km) |
