| Duluth to Mombris | 4,269.93 mi (6,871.78 km) |
| Duluth to Monchengladbach | 4,127.67 mi (6,642.84 km) |
| Duluth to Monschau | 4,149.13 mi (6,677.39 km) |
| Duluth to Montabaur | 4,208.05 mi (6,772.21 km) |
| Duluth to Moosburg | 4,436.58 mi (7,139.98 km) |
| Duluth to Morbach | 4,211.02 mi (6,776.98 km) |
| Duluth to Morfelden-Walldorf | 4,253.13 mi (6,844.75 km) |
| Duluth to Morlenbach | 4,276.24 mi (6,881.95 km) |
| Duluth to Morsbach | 4,185.55 mi (6,736.00 km) |
| Duluth to Mosbach | 4,301.31 mi (6,922.28 km) |
| Duluth to Mosigkau | 4,291.07 mi (6,905.81 km) |
| Duluth to Mossingen | 4,340.94 mi (6,986.06 km) |
| Duluth to Much | 4,172.67 mi (6,715.26 km) |
| Duluth to Mucheln | 4,301.43 mi (6,922.49 km) |
| Duluth to Muhlacker | 4,308.86 mi (6,934.45 km) |
