| Monroe | 8,500 | Paris | Missouri | St. Louis, MO | View → |
| Monroe | 35,000 | Amory | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Monroe | 13,850 | Woodsfield | Ohio | Wheeling-Clarksburg-Parkersburg, WV | View → |
| Montague | 19,500 | Bowie | Texas | Dallas-Fort Worth, TX | View → |
| Montcalm | 64,000 | Greenville | Michigan | Grand Rapids, MI | View → |
| Monterey | 453,200 | Salinas | California | Fresno, CA | View → |
| Montezuma | 27,000 | Cortez | Colorado | Denver-Colorado Springs, CO | View → |
| Montgomery | 49,000 | Amsterdam | New York | Albany-Utica-Elmira, NY | View → |
| Montgomery | 26,500 | Troy | North Carolina | Charlotte-Greensboro, NC | View → |
| Montgomery | 531,000 | Dayton | Ohio | Cincinnati-Dayton, OH | View → |
| Montgomery | 680,000 | Conroe | Texas | Houston, TX | View → |
| Montgomery | 39,000 | Crawfordsville | Indiana | Indianapolis-Fort Wayne, IN | View → |
| Montgomery | 29,000 | Mount Sterling | Kentucky | Lexington-Bowling Green, KY | View → |
| Montgomery | 9,500 | Mount Ida | Arkansas | Little Rock, AR | View → |
| Montgomery | 225,200 | Montgomery | Alabama | Montgomery-Dothan, AL | View → |
| Montgomery | 227,000 | Clarksville | Tennessee | Nashville, TN | View → |
| Montgomery | 10,500 | Red Oak | Iowa | Omaha, NE-Sioux City, IA | View → |
| Montgomery | 855,000 | Norristown | Pennsylvania | Philadelphia, PA | View → |
| Montgomery | 99,000 | Blacksburg | Virginia | Roanoke-Harrisonburg, VA | View → |
| Montgomery | 10,000 | Mount Vernon | Georgia | Savannah-Augusta, GA | View → |
| Montgomery | 28,000 | Hillsboro | Illinois | St. Louis, MO | View → |
| Montgomery | 11,300 | Montgomery City | Missouri | St. Louis, MO | View → |
| Montgomery | 32,000 | Independence | Kansas | Tulsa, OK-Fort Smith, AR | View → |
| Montgomery | 9,000 | Winona | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Montgomery | 1,100,000 | Rockville | Maryland | Washington, DC | View → |
| Montmorency | 9,600 | Atlanta | Michigan | Traverse City, MI | View → |
| Montour | 18,600 | Danville | Pennsylvania | Scranton, PA-Binghamton, NY | View → |
| Montrose | 50,000 | Montrose | Colorado | Denver-Colorado Springs, CO | View → |
| Moody | 6,700 | Flandreau | South Dakota | Sioux Falls-Rapid City, SD | View → |
| Moore | 20,700 | Dumas | Texas | Amarillo, TX | View → |
| Moore | 6,500 | Lynchburg | Tennessee | Nashville, TN | View → |
| Moore | 102,000 | Southern Pines | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Mora | 4,500 | Mora | New Mexico | Albuquerque, NM | View → |
| Morehouse | 25,000 | Bastrop | Louisiana | Jackson, MS | View → |
| Morgan | 20,000 | Madison | Georgia | Atlanta, GA | View → |
| Morgan | 122,300 | Decatur | Alabama | Birmingham-Huntsville, AL | View → |
| Morgan | 33,000 | Jacksonville | Illinois | Champaign-Peoria, IL | View → |
| Morgan | 14,600 | McConnelsville | Ohio | Columbus, OH | View → |
| Morgan | 30,000 | Fort Morgan | Colorado | Denver-Colorado Springs, CO | View → |
| Morgan | 72,000 | Martinsville | Indiana | Indianapolis-Fort Wayne, IN | View → |
| Morgan | 21,000 | Wartburg | Tennessee | Knoxville-Chattanooga, TN | View → |
| Morgan | 14,000 | West Liberty | Kentucky | Lexington-Bowling Green, KY | View → |
| Morgan | 13,000 | Morgan | Utah | Salt Lake City, UT | View → |
| Morgan | 20,400 | Versailles | Missouri | Springfield, MO | View → |
| Morgan | 18,500 | Berkeley Springs | West Virginia | Washington, DC | View → |
| Morrill | 4,700 | Bridgeport | Nebraska | Denver-Colorado Springs, CO | View → |
| Morris | 513,481 | Morristown | New Jersey | New York, NY | View → |
| Morris | 12,000 | Daingerfield | Texas | Shreveport, LA | View → |
| Morris | 5,700 | Council Grove | Kansas | Wichita, KS | View → |
| Morrison | 32,000 | Little Falls | Minnesota | Minneapolis-St. Paul, MN | View → |
