| Valley to McHenry (Illinois) | 680.01 mi (1,094.37 km) |
| Valley to McKeesport (Pennsylvania) | 598.53 mi (963.24 km) |
| Valley to McKinleyville (California) | 2,202.98 mi (3,545.35 km) |
| Valley to McKinney (Texas) | 665.75 mi (1,071.43 km) |
| Valley to McLean (Virginia) | 615.63 mi (990.76 km) |
| Valley to McMinnville (Oregon) | 2,188.29 mi (3,521.71 km) |
| Valley to McMinnville (Tennessee) | 201.75 mi (324.69 km) |
| Valley to McNair (Virginia) | 607.24 mi (977.26 km) |
| Valley to McPherson (Kansas) | 798.58 mi (1,285.19 km) |
| Valley to Mead Valley (California) | 1,847.36 mi (2,973.03 km) |
| Valley to Meadow Woods (Florida) | 382.13 mi (614.97 km) |
| Valley to Meadowbrook (Virginia) | 539.74 mi (868.62 km) |
| Valley to Meadville (Pennsylvania) | 670.24 mi (1,078.65 km) |
| Valley to Mebane (North Carolina) | 405.50 mi (652.60 km) |
| Valley to Mechanicsville (Virginia) | 552.72 mi (889.52 km) |
