| Grefrath to Montigny-les-Metz | 154.69 mi (248.95 km) |
| Grefrath to Montivilliers | 297.53 mi (478.83 km) |
| Grefrath to Montlouis-sur-Loire | 368.53 mi (593.09 km) |
| Grefrath to Montlucon | 384.61 mi (618.97 km) |
| Grefrath to Montmagny | 240.62 mi (387.23 km) |
| Grefrath to Montmorency | 240.55 mi (387.13 km) |
| Grefrath to Montpellier | 545.88 mi (878.51 km) |
| Grefrath to Montreuil | 243.00 mi (391.08 km) |
| Grefrath to Montrouge | 249.03 mi (400.78 km) |
| Grefrath to Morangis | 254.18 mi (409.07 km) |
| Grefrath to Morieres-les-Avignon | 515.25 mi (829.21 km) |
| Grefrath to Morlaix | 490.03 mi (788.63 km) |
| Grefrath to Morsang-sur-Orge | 256.10 mi (412.15 km) |
| Grefrath to Mouans-Sartoux | 533.95 mi (859.31 km) |
| Grefrath to Mougins | 535.39 mi (861.63 km) |
