| Zachary to McHenry (Illinois) | 822.08 mi (1,323.01 km) |
| Zachary to McKeesport (Pennsylvania) | 921.73 mi (1,483.38 km) |
| Zachary to McKinleyville (California) | 1,962.66 mi (3,158.59 km) |
| Zachary to McKinney (Texas) | 367.18 mi (590.92 km) |
| Zachary to McLean (Virginia) | 975.51 mi (1,569.92 km) |
| Zachary to McMinnville (Oregon) | 1,994.84 mi (3,210.39 km) |
| Zachary to McMinnville (Tennessee) | 465.96 mi (749.90 km) |
| Zachary to McNair (Virginia) | 965.88 mi (1,554.43 km) |
| Zachary to McPherson (Kansas) | 647.94 mi (1,042.76 km) |
| Zachary to Mead Valley (California) | 1,537.84 mi (2,474.92 km) |
| Zachary to Meadow Woods (Florida) | 610.91 mi (983.17 km) |
| Zachary to Meadowbrook (Virginia) | 911.10 mi (1,466.28 km) |
| Zachary to Meadville (Pennsylvania) | 974.77 mi (1,568.74 km) |
| Zachary to Mebane (North Carolina) | 780.77 mi (1,256.53 km) |
| Zachary to Mechanicsville (Virginia) | 923.03 mi (1,485.47 km) |
