| Oro Valley to McHenry (Illinois) | 1,415.06 mi (2,277.32 km) |
| Oro Valley to McKeesport (Pennsylvania) | 1,805.45 mi (2,905.59 km) |
| Oro Valley to McKinleyville (California) | 933.46 mi (1,502.26 km) |
| Oro Valley to McKinney (Texas) | 832.07 mi (1,339.08 km) |
| Oro Valley to McLean (Virginia) | 1,936.92 mi (3,117.17 km) |
| Oro Valley to McMinnville (Oregon) | 1,098.84 mi (1,768.41 km) |
| Oro Valley to McMinnville (Tennessee) | 1,455.75 mi (2,342.80 km) |
| Oro Valley to McNair (Virginia) | 1,925.29 mi (3,098.46 km) |
| Oro Valley to McPherson (Kansas) | 854.06 mi (1,374.48 km) |
| Oro Valley to Mead Valley (California) | 377.78 mi (607.97 km) |
| Oro Valley to Meadow Woods (Florida) | 1,782.08 mi (2,867.98 km) |
| Oro Valley to Meadowbrook (Virginia) | 1,918.82 mi (3,088.05 km) |
| Oro Valley to Meadville (Pennsylvania) | 1,804.23 mi (2,903.63 km) |
| Oro Valley to Mebane (North Carolina) | 1,820.05 mi (2,929.08 km) |
| Oro Valley to Mechanicsville (Virginia) | 1,925.38 mi (3,098.60 km) |
