| Duluth to McKeesport (Pennsylvania) | 757.91 mi (1,219.74 km) |
| Duluth to McKinleyville (California) | 1,629.35 mi (2,622.18 km) |
| Duluth to McKinney (Texas) | 967.58 mi (1,557.16 km) |
| Duluth to McLean (Virginia) | 927.93 mi (1,493.36 km) |
| Duluth to McMinnville (Oregon) | 1,484.77 mi (2,389.51 km) |
| Duluth to McMinnville (Tennessee) | 833.68 mi (1,341.68 km) |
| Duluth to McNair (Virginia) | 918.73 mi (1,478.55 km) |
| Duluth to McPherson (Kansas) | 644.65 mi (1,037.46 km) |
| Duluth to Mead Valley (California) | 1,587.35 mi (2,554.59 km) |
| Duluth to Meadow Woods (Florida) | 1,399.21 mi (2,251.82 km) |
| Duluth to Meadowbrook (Virginia) | 988.14 mi (1,590.25 km) |
| Duluth to Meadville (Pennsylvania) | 690.46 mi (1,111.19 km) |
| Duluth to Mebane (North Carolina) | 992.30 mi (1,596.95 km) |
| Duluth to Mechanicsville (Virginia) | 983.11 mi (1,582.16 km) |
| Duluth to Medford (Massachusetts) | 1,073.74 mi (1,728.03 km) |
