| Middle River to Mendota (California) | 2,374.54 mi (3,821.45 km) |
| Middle River to Mendota Heights (Minnesota) | 935.98 mi (1,506.31 km) |
| Middle River to Menifee (California) | 2,277.19 mi (3,664.78 km) |
| Middle River to Menlo Park (California) | 2,453.41 mi (3,948.38 km) |
| Middle River to Menomonee Falls (Wisconsin) | 661.35 mi (1,064.35 km) |
| Middle River to Menomonie (Wisconsin) | 879.26 mi (1,415.04 km) |
| Middle River to Mentor (Ohio) | 304.56 mi (490.15 km) |
| Middle River to Mequon (Wisconsin) | 656.81 mi (1,057.03 km) |
| Middle River to Merced (California) | 2,368.27 mi (3,811.37 km) |
| Middle River to Mercedes (Texas) | 1,539.10 mi (2,476.95 km) |
| Middle River to Mercer Island (Washington) | 2,330.59 mi (3,750.73 km) |
| Middle River to Mercerville (New Jersey) | 110.78 mi (178.28 km) |
| Middle River to Meriden (Connecticut) | 243.72 mi (392.22 km) |
| Middle River to Meridian (Idaho) | 2,069.83 mi (3,331.07 km) |
| Middle River to Meridian (Mississippi) | 837.06 mi (1,347.12 km) |
