| Grefrath to Monticello Conte Otto | 463.15 mi (745.37 km) |
| Grefrath to Montichiari | 449.14 mi (722.82 km) |
| Grefrath to Montignoso | 535.95 mi (862.53 km) |
| Grefrath to Montopoli in Val d'Arno | 568.22 mi (914.46 km) |
| Grefrath to Monza | 419.48 mi (675.09 km) |
| Grefrath to Morbegno | 388.29 mi (624.89 km) |
| Grefrath to Mori | 434.19 mi (698.76 km) |
| Grefrath to Morlupo | 698.40 mi (1,123.97 km) |
| Grefrath to Morrovalle | 648.95 mi (1,044.39 km) |
| Grefrath to Mortara | 434.80 mi (699.74 km) |
| Grefrath to Mosciano Sant'Angelo | 690.59 mi (1,111.40 km) |
| Grefrath to Motta di Livenza | 478.74 mi (770.46 km) |
| Grefrath to Motta Sant'Anastasia | 1,044.77 mi (1,681.39 km) |
| Grefrath to Mottola | 898.20 mi (1,445.51 km) |
| Grefrath to Mozzate | 408.37 mi (657.20 km) |
