| Opmeer to Montevarchi | 702.72 mi (1,130.91 km) |
| Opmeer to Monticello Conte Otto | 574.35 mi (924.33 km) |
| Opmeer to Montichiari | 559.95 mi (901.16 km) |
| Opmeer to Montignoso | 645.57 mi (1,038.94 km) |
| Opmeer to Montopoli in Val d'Arno | 678.39 mi (1,091.76 km) |
| Opmeer to Monza | 528.87 mi (851.13 km) |
| Opmeer to Morbegno | 498.66 mi (802.52 km) |
| Opmeer to Mori | 545.42 mi (877.77 km) |
| Opmeer to Morlupo | 809.33 mi (1,302.50 km) |
| Opmeer to Morrovalle | 760.09 mi (1,223.25 km) |
| Opmeer to Mortara | 542.63 mi (873.28 km) |
| Opmeer to Mosciano Sant'Angelo | 801.76 mi (1,290.31 km) |
| Opmeer to Motta di Livenza | 589.19 mi (948.22 km) |
| Opmeer to Motta Sant'Anastasia | 1,155.71 mi (1,859.93 km) |
| Opmeer to Mottola | 1,008.66 mi (1,623.28 km) |
