| Heerlen to Marghita | 776.73 mi (1,250.03 km) |
| Heerlen to Marginea | 915.19 mi (1,472.85 km) |
| Heerlen to Matca | 1,044.03 mi (1,680.20 km) |
| Heerlen to Medgidia | 1,129.49 mi (1,817.74 km) |
| Heerlen to Media | 899.01 mi (1,446.81 km) |
| Heerlen to Miercurea-Ciuc | 954.12 mi (1,535.50 km) |
| Heerlen to Mioveni | 964.94 mi (1,552.92 km) |
| Heerlen to Mizil | 1,026.07 mi (1,651.31 km) |
| Heerlen to Moinesti | 981.06 mi (1,578.86 km) |
| Heerlen to Moisei | 863.15 mi (1,389.10 km) |
| Heerlen to Moldova Noua | 840.77 mi (1,353.09 km) |
| Heerlen to Moreni | 993.41 mi (1,598.73 km) |
| Heerlen to Motru | 889.83 mi (1,432.04 km) |
| Heerlen to Murfatlar | 1,138.47 mi (1,832.19 km) |
| Heerlen to Nasaud | 867.41 mi (1,395.96 km) |
