| Duluth to Manerbio | 4,518.78 mi (7,272.27 km) |
| Duluth to Manfredonia | 4,906.11 mi (7,895.62 km) |
| Duluth to Maniago | 4,571.88 mi (7,357.73 km) |
| Duluth to Mantova | 4,552.12 mi (7,325.93 km) |
| Duluth to Maranello | 4,584.25 mi (7,377.64 km) |
| Duluth to Marano di Napoli | 4,880.30 mi (7,854.08 km) |
| Duluth to Marano Vicentino | 4,549.22 mi (7,321.26 km) |
| Duluth to Marcianise | 4,877.93 mi (7,850.27 km) |
| Duluth to Marcon | 4,586.55 mi (7,381.34 km) |
| Duluth to Mareno di Piave | 4,574.73 mi (7,362.32 km) |
| Duluth to Margherita di Savoia | 4,927.79 mi (7,930.51 km) |
| Duluth to Mariano Comense | 4,469.28 mi (7,192.61 km) |
| Duluth to Marigliano | 4,888.33 mi (7,867.01 km) |
| Duluth to Marino | 4,782.41 mi (7,696.54 km) |
| Duluth to Marostica | 4,554.87 mi (7,330.36 km) |
