| Frederick to Manassas (Virginia) | 47.53 mi (76.49 km) |
| Frederick to Manassas Park (Virginia) | 45.82 mi (73.74 km) |
| Frederick to Manatí (Puerto Rico) | 1,591.73 mi (2,561.64 km) |
| Frederick to Manchester (Missouri) | 704.74 mi (1,134.18 km) |
| Frederick to Manchester (New Hampshire) | 395.40 mi (636.33 km) |
| Frederick to Manchester (Tennessee) | 548.35 mi (882.48 km) |
| Frederick to Manchester (Virginia) | 134.45 mi (216.38 km) |
| Frederick to Mandan (North Dakota) | 1,282.84 mi (2,064.53 km) |
| Frederick to Mandeville (Louisiana) | 950.97 mi (1,530.43 km) |
| Frederick to Mango (Florida) | 838.74 mi (1,349.82 km) |
| Frederick to Manhattan (Kansas) | 1,024.11 mi (1,648.15 km) |
| Frederick to Manhattan (New York) | 204.66 mi (329.37 km) |
| Frederick to Manhattan Beach (California) | 2,283.63 mi (3,675.14 km) |
| Frederick to Manitowoc (Wisconsin) | 618.88 mi (995.98 km) |
| Frederick to Mankato (Minnesota) | 911.73 mi (1,467.28 km) |
