| Middle Valley to McHenry (Illinois) | 521.40 mi (839.11 km) |
| Middle Valley to McKeesport (Pennsylvania) | 460.53 mi (741.15 km) |
| Middle Valley to McKinleyville (California) | 2,134.46 mi (3,435.09 km) |
| Middle Valley to McKinney (Texas) | 669.36 mi (1,077.23 km) |
| Middle Valley to McLean (Virginia) | 511.52 mi (823.21 km) |
| Middle Valley to McMinnville (Oregon) | 2,098.93 mi (3,377.90 km) |
| Middle Valley to McMinnville (Tennessee) | 47.67 mi (76.73 km) |
| Middle Valley to McNair (Virginia) | 501.51 mi (807.10 km) |
| Middle Valley to McPherson (Kansas) | 723.32 mi (1,164.08 km) |
| Middle Valley to Mead Valley (California) | 1,821.47 mi (2,931.37 km) |
| Middle Valley to Meadow Woods (Florida) | 522.39 mi (840.70 km) |
| Middle Valley to Meadowbrook (Virginia) | 456.83 mi (735.19 km) |
| Middle Valley to Meadville (Pennsylvania) | 523.14 mi (841.92 km) |
| Middle Valley to Mebane (North Carolina) | 338.24 mi (544.34 km) |
| Middle Valley to Mechanicsville (Virginia) | 467.19 mi (751.87 km) |
