| Heerlen to Marsala | 957.73 mi (1,541.32 km) |
| Heerlen to Marsciano | 626.23 mi (1,007.82 km) |
| Heerlen to Martano | 946.13 mi (1,522.66 km) |
| Heerlen to Martellago | 465.23 mi (748.71 km) |
| Heerlen to Martina Franca | 888.96 mi (1,430.65 km) |
| Heerlen to Martinengo | 406.18 mi (653.68 km) |
| Heerlen to Martinsicuro | 666.90 mi (1,073.28 km) |
| Heerlen to Mascali | 1,013.55 mi (1,631.15 km) |
| Heerlen to Mascalucia | 1,021.95 mi (1,644.67 km) |
| Heerlen to Masera di Padova | 470.44 mi (757.11 km) |
| Heerlen to Maserada sul Piave | 458.43 mi (737.78 km) |
| Heerlen to Massa | 511.25 mi (822.78 km) |
| Heerlen to Massa Lombarda | 520.44 mi (837.57 km) |
| Heerlen to Massafra | 889.41 mi (1,431.37 km) |
| Heerlen to Massalubrense | 814.82 mi (1,311.33 km) |
