| Heerlen to Montevarchi | 571.44 mi (919.64 km) |
| Heerlen to Monticello Conte Otto | 446.55 mi (718.65 km) |
| Heerlen to Montichiari | 428.75 mi (690.01 km) |
| Heerlen to Montignoso | 512.91 mi (825.45 km) |
| Heerlen to Montopoli in Val d'Arno | 546.11 mi (878.88 km) |
| Heerlen to Monza | 396.15 mi (637.54 km) |
| Heerlen to Morbegno | 366.79 mi (590.30 km) |
| Heerlen to Mori | 416.46 mi (670.23 km) |
| Heerlen to Morlupo | 678.19 mi (1,091.44 km) |
| Heerlen to Morrovalle | 632.58 mi (1,018.04 km) |
| Heerlen to Mortara | 409.57 mi (659.14 km) |
| Heerlen to Mosciano Sant'Angelo | 673.92 mi (1,084.58 km) |
| Heerlen to Motta di Livenza | 465.41 mi (749.01 km) |
| Heerlen to Motta Sant'Anastasia | 1,024.43 mi (1,648.67 km) |
| Heerlen to Mottola | 884.13 mi (1,422.87 km) |
