| Key West to Mineral Wells (Texas) | 1,138.62 mi (1,832.43 km) |
| Key West to Minneapolis (Minnesota) | 1,549.32 mi (2,493.39 km) |
| Key West to Minnehaha (Washington) | 2,687.95 mi (4,325.84 km) |
| Key West to Minneola (Florida) | 279.32 mi (449.53 km) |
| Key West to Minnetonka (Minnesota) | 1,551.91 mi (2,497.56 km) |
| Key West to Minooka (Illinois) | 1,225.08 mi (1,971.58 km) |
| Key West to Minot (North Dakota) | 1,950.12 mi (3,138.41 km) |
| Key West to Mint Hill (North Carolina) | 736.43 mi (1,185.18 km) |
| Key West to Miramar (Florida) | 132.87 mi (213.83 km) |
| Key West to Mishawaka (Indiana) | 1,208.71 mi (1,945.22 km) |
| Key West to Mission (Texas) | 1,038.45 mi (1,671.23 km) |
| Key West to Mission Bend (Texas) | 923.79 mi (1,486.69 km) |
| Key West to Mission Viejo (California) | 2,242.13 mi (3,608.36 km) |
| Key West to Missoula (Montana) | 2,347.61 mi (3,778.11 km) |
| Key West to Missouri City (Texas) | 913.47 mi (1,470.09 km) |
