| Calhoun | 6,200 | Morgan | Georgia | Macon-Columbus, GA | View → |
| Calhoun | 14,000 | Blountstown | Florida | Mobile, AL-Panama City, FL | View → |
| Calhoun | 4,800 | Hardin | Illinois | St. Louis, MO | View → |
| Calhoun | 15,000 | Calhoun City | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Callahan | 13,000 | Clyde | Texas | Lubbock-Abilene, TX | View → |
| Callaway | 45,000 | Fulton | Missouri | St. Louis, MO | View → |
| Calloway | 40,000 | Murray | Kentucky | Paducah, KY | View → |
| Calumet | 52,000 | Chilton | Wisconsin | Green Bay, WI-Duluth, MN | View → |
| Calvert | 95,000 | Prince Frederick | Maryland | Washington, DC | View → |
| Camas | 1,100 | Fairfield | Idaho | Boise-Pocatello, ID | View → |
| Cambria | 128,000 | Johnstown | Pennsylvania | Johnstown-Altoona-State College, PA | View → |
| Camden | 56,000 | Kingsland | Georgia | Jacksonville-Tallahassee, FL | View → |
| Camden | 11,000 | Camden | North Carolina | Norfolk, VA-Salisbury, MD | View → |
| Camden | 523,485 | Camden | New Jersey | Philadelphia, PA | View → |
| Camden | 47,000 | Osage Beach | Missouri | Springfield, MO | View → |
| Cameron | 4,500 | Emporium | Pennsylvania | Johnstown-Altoona-State College, PA | View → |
| Cameron | 6,500 | Cameron | Louisiana | New Orleans-Baton Rouge, LA | View → |
| Cameron | 423,000 | Brownsville | Texas | San Antonio-Corpus Christi, TX | View → |
| Camp | 12,500 | Pittsburg | Texas | Shreveport, LA | View → |
| Campbell | 1,400 | Mound City | South Dakota | Bismarck, ND | View → |
| Campbell | 47,000 | Gillette | Wyoming | Casper, WY | View → |
| Campbell | 95,000 | Newport | Kentucky | Cincinnati-Dayton, OH | View → |
| Campbell | 40,000 | Jacksboro | Tennessee | Knoxville-Chattanooga, TN | View → |
| Campbell | 56,000 | Rustburg | Virginia | Roanoke-Harrisonburg, VA | View → |
| Canadian | 160,000 | Yukon | Oklahoma | Oklahoma City, OK | View → |
| Candler | 11,000 | Metter | Georgia | Savannah-Augusta, GA | View → |
| Cannon | 15,000 | Woodbury | Tennessee | Nashville, TN | View → |
| Canyon | 245,000 | Nampa | Idaho | Boise-Pocatello, ID | View → |
| Cape Girardeau | 81,000 | Cape Girardeau | Missouri | Paducah, KY | View → |
| Cape May | 93,039 | Ocean City | New Jersey | Philadelphia, PA | View → |
| Carbon | 15,000 | Rawlins | Wyoming | Denver-Colorado Springs, CO | View → |
| Carbon | 10,500 | Red Lodge | Montana | Missoula-Billings-Butte, MT | View → |
| Carbon | 20,000 | Price | Utah | Salt Lake City, UT | View → |
| Carbon | 64,000 | Jim Thorpe | Pennsylvania | Scranton, PA-Binghamton, NY | View → |
| Caribou | 7,400 | Soda Springs | Idaho | Boise-Pocatello, ID | View → |
| Carlisle | 4,900 | Bardwell | Kentucky | Paducah, KY | View → |
| Carlton | 37,000 | Cloquet | Minnesota | Green Bay, WI-Duluth, MN | View → |
| Caroline | 35,000 | Denton | Maryland | Baltimore, MD | View → |
| Caroline | 32,000 | Bowling Green | Virginia | Richmond, VA | View → |
| Carroll | 120,000 | Carrollton | Georgia | Atlanta, GA | View → |
| Carroll | 175,000 | Westminster | Maryland | Baltimore, MD | View → |
| Carroll | 27,400 | Carrollton | Ohio | Cleveland-Youngstown, OH | View → |
| Carroll | 15,000 | Savanna | Illinois | Davenport, IA-Moline, IL | View → |
| Carroll | 20,000 | Carroll | Iowa | Des Moines, IA | View → |
| Carroll | 21,000 | Delphi | Indiana | Indianapolis-Fort Wayne, IN | View → |
| Carroll | 9,000 | Carrollton | Missouri | Kansas City, MO | View → |
| Carroll | 11,000 | Carrollton | Kentucky | Louisville, KY-Evansville, IN | View → |
| Carroll | 28,000 | Huntingdon | Tennessee | Memphis, TN | View → |
| Carroll | 49,000 | Conway | New Hampshire | Portland-Bangor, ME | View → |
| Carroll | 29,000 | Hillsville | Virginia | Roanoke-Harrisonburg, VA | View → |
