| Duluth to Mountain Brook (Alabama) | 960.82 mi (1,546.29 km) |
| Duluth to Mountain Home (Arkansas) | 721.48 mi (1,161.11 km) |
| Duluth to Mountain Home (Idaho) | 1,174.31 mi (1,889.86 km) |
| Duluth to Mountain House (California) | 1,615.16 mi (2,599.35 km) |
| Duluth to Mountain Park (Georgia) | 986.71 mi (1,587.95 km) |
| Duluth to Mountain Top (Pennsylvania) | 894.33 mi (1,439.28 km) |
| Duluth to Mountain View (California) | 1,653.47 mi (2,661.00 km) |
| Duluth to Mountlake Terrace (Washington) | 1,406.77 mi (2,263.97 km) |
| Duluth to Mukilteo (Washington) | 1,405.41 mi (2,261.78 km) |
| Duluth to Muncie (Indiana) | 565.91 mi (910.75 km) |
| Duluth to Mundelein (Illinois) | 371.79 mi (598.33 km) |
| Duluth to Munhall (Pennsylvania) | 753.34 mi (1,212.38 km) |
| Duluth to Munster (Indiana) | 427.96 mi (688.74 km) |
| Duluth to Murfreesboro (Tennessee) | 810.79 mi (1,304.84 km) |
| Duluth to Murphy (Texas) | 979.19 mi (1,575.85 km) |
