| Cities | Distance |
|---|---|
| Heerlen to Amelia | 650.86 mi (1,047.46 km) |
| Heerlen to Anagni | 717.64 mi (1,154.93 km) |
| Heerlen to Ancona | 613.23 mi (986.89 km) |
| Heerlen to Andria | 829.47 mi (1,334.91 km) |
| Heerlen to Angri | 812.82 mi (1,308.11 km) |
| Heerlen to Anguillara Sabazia | 676.94 mi (1,089.42 km) |
| Heerlen to Anzio | 724.67 mi (1,166.24 km) |
| Heerlen to Anzola dell'Emilia | 500.07 mi (804.78 km) |
| Heerlen to Aosta | 361.05 mi (581.06 km) |
| Heerlen to Apricena | 773.30 mi (1,244.50 km) |
| Heerlen to Aprilia | 716.52 mi (1,153.13 km) |
| Heerlen to Aradeo | 944.96 mi (1,520.77 km) |
| Heerlen to Aragona | 1,004.15 mi (1,616.02 km) |
| Heerlen to Arco | 410.02 mi (659.86 km) |
| Heerlen to Arcola | 501.82 mi (807.60 km) |