| Cities | Distance |
|---|---|
| Heerlen to Cutrofiano | 947.89 mi (1,525.49 km) |
| Heerlen to Dalmine | 397.89 mi (640.34 km) |
| Heerlen to Deruta | 623.99 mi (1,004.22 km) |
| Heerlen to Desenzano del Garda | 428.68 mi (689.89 km) |
| Heerlen to Desio | 393.02 mi (632.51 km) |
| Heerlen to Dolianova | 809.53 mi (1,302.82 km) |
| Heerlen to Dolo | 469.74 mi (755.97 km) |
| Heerlen to Domodossola | 345.87 mi (556.62 km) |
| Heerlen to Dorgali | 751.42 mi (1,209.30 km) |
| Heerlen to Dueville | 443.74 mi (714.13 km) |
| Heerlen to Eboli | 831.97 mi (1,338.93 km) |
| Heerlen to Elmas | 816.27 mi (1,313.65 km) |
| Heerlen to Empoli | 546.82 mi (880.02 km) |
| Heerlen to Enna | 1,006.24 mi (1,619.39 km) |
| Heerlen to Eraclea | 478.33 mi (769.79 km) |