| Cities | Distance |
|---|---|
| Heerlen to Arcore | 393.71 mi (633.62 km) |
| Heerlen to Ardea | 712.32 mi (1,146.37 km) |
| Heerlen to Arenzano | 464.85 mi (748.11 km) |
| Heerlen to Arese | 394.80 mi (635.37 km) |
| Heerlen to Arezzo | 582.22 mi (936.99 km) |
| Heerlen to Argelato | 501.78 mi (807.54 km) |
| Heerlen to Argenta | 510.92 mi (822.24 km) |
| Heerlen to Ariano Irpino | 800.46 mi (1,288.21 km) |
| Heerlen to Ariccia | 708.47 mi (1,140.17 km) |
| Heerlen to Arluno | 395.91 mi (637.15 km) |
| Heerlen to Arona | 373.40 mi (600.93 km) |
| Heerlen to Artena | 712.82 mi (1,147.18 km) |
| Heerlen to Arzachena | 696.31 mi (1,120.61 km) |
| Heerlen to Arzano | 794.37 mi (1,278.41 km) |
| Heerlen to Arzignano | 444.93 mi (716.04 km) |