| Cities | Distance |
|---|---|
| Heerlen to Grottaferrata | 704.07 mi (1,133.09 km) |
| Heerlen to Grottaglie | 901.45 mi (1,450.75 km) |
| Heerlen to Grottammare | 659.29 mi (1,061.02 km) |
| Heerlen to Grugliasco | 408.48 mi (657.39 km) |
| Heerlen to Grumo Appula | 852.42 mi (1,371.84 km) |
| Heerlen to Grumo Nevano | 793.34 mi (1,276.76 km) |
| Heerlen to Gualdo Tadino | 617.32 mi (993.48 km) |
| Heerlen to Guardiagrele | 715.29 mi (1,151.15 km) |
| Heerlen to Guastalla | 465.62 mi (749.35 km) |
| Heerlen to Gubbio | 605.03 mi (973.70 km) |
| Heerlen to Guspini | 794.61 mi (1,278.80 km) |
| Heerlen to Gussago | 412.17 mi (663.32 km) |
| Heerlen to Iesi | 611.38 mi (983.92 km) |
| Heerlen to Iesolo | 479.95 mi (772.40 km) |
| Heerlen to Iglesias | 808.66 mi (1,301.42 km) |