| Duluth to Mendota Heights (Minnesota) | 139.45 mi (224.43 km) |
| Duluth to Menifee (California) | 1,589.64 mi (2,558.28 km) |
| Duluth to Menlo Park (California) | 1,654.99 mi (2,663.45 km) |
| Duluth to Menomonee Falls (Wisconsin) | 318.27 mi (512.21 km) |
| Duluth to Menomonie (Wisconsin) | 130.80 mi (210.51 km) |
| Duluth to Mentor (Ohio) | 639.06 mi (1,028.47 km) |
| Duluth to Mequon (Wisconsin) | 317.78 mi (511.42 km) |
| Duluth to Merced (California) | 1,583.22 mi (2,547.95 km) |
| Duluth to Mercedes (Texas) | 1,459.51 mi (2,348.86 km) |
| Duluth to Mercer Island (Washington) | 1,405.65 mi (2,262.18 km) |
| Duluth to Mercerville (New Jersey) | 981.22 mi (1,579.12 km) |
| Duluth to Meriden (Connecticut) | 1,021.69 mi (1,644.25 km) |
| Duluth to Meridian (Idaho) | 1,196.23 mi (1,925.14 km) |
| Duluth to Meridian (Mississippi) | 1,010.88 mi (1,626.85 km) |
| Duluth to Merriam (Kansas) | 551.24 mi (887.14 km) |
