| Cities | Distance |
|---|---|
| Heerlen to Ascoli Piceno | 660.25 mi (1,062.58 km) |
| Heerlen to Asola | 441.64 mi (710.76 km) |
| Heerlen to Asolo | 444.23 mi (714.92 km) |
| Heerlen to Assemini | 814.70 mi (1,311.13 km) |
| Heerlen to Assisi | 622.95 mi (1,002.55 km) |
| Heerlen to Asti | 425.99 mi (685.57 km) |
| Heerlen to Atessa | 729.28 mi (1,173.66 km) |
| Heerlen to Atri | 686.42 mi (1,104.69 km) |
| Heerlen to Atripalda | 808.00 mi (1,300.35 km) |
| Heerlen to Augusta | 1,045.67 mi (1,682.84 km) |
| Heerlen to Aulla | 496.48 mi (799.00 km) |
| Heerlen to Aurisina | 503.48 mi (810.27 km) |
| Heerlen to Avellino | 807.09 mi (1,298.88 km) |
| Heerlen to Aversa | 789.70 mi (1,270.91 km) |
| Heerlen to Avezzano | 705.70 mi (1,135.71 km) |