| Duluth to Montevarchi | 4,657.41 mi (7,495.38 km) |
| Duluth to Monticello Conte Otto | 4,559.23 mi (7,337.37 km) |
| Duluth to Montichiari | 4,525.69 mi (7,283.39 km) |
| Duluth to Montignoso | 4,583.40 mi (7,376.28 km) |
| Duluth to Montopoli in Val d'Arno | 4,621.15 mi (7,437.02 km) |
| Duluth to Monza | 4,477.90 mi (7,206.49 km) |
| Duluth to Morbegno | 4,462.91 mi (7,182.37 km) |
| Duluth to Mori | 4,526.29 mi (7,284.36 km) |
| Duluth to Morlupo | 4,758.15 mi (7,657.51 km) |
| Duluth to Morrovalle | 4,739.83 mi (7,628.02 km) |
| Duluth to Mortara | 4,474.48 mi (7,200.98 km) |
| Duluth to Mosciano Sant'Angelo | 4,778.25 mi (7,689.86 km) |
| Duluth to Motta di Livenza | 4,586.59 mi (7,381.41 km) |
| Duluth to Motta Sant'Anastasia | 5,079.35 mi (8,174.43 km) |
| Duluth to Mottola | 4,996.26 mi (8,040.70 km) |
