- Cartersville, Georgia
- Carthage, Missouri
- Cary, North Carolina
- Cassville, Missouri
- Castaic, California
- Castle Rock, Colorado
- Castro Valley, California
- Cave Springs, Arkansas
- Cazenovia, New York
- Cedar Falls, Iowa
- Cedar Hill, Texas
- Cedar Park, Texas
- Cedar Rapids, Iowa
- Celina, Texas
- Centennial, Ohio
- Centerville, Georgia
- Centerville, Ohio
- Central, South Carolina
- Champaign, Illinois
- Champions Gate, Florida
- Chandler, Arizona
- Chandler, Texas
- Chantilly, Virginia
- Chanute, Kansas
- Chapel Hill, North Carolina
- Chapin, South Carolina
- Chappaquiddick, Massachusetts
- Charles Town, West Virginia
- Charleston, Illinois
- Charleston, South Carolina
- Charlestown, Rhode Island
- Charlevoix, Michigan
- Charlotte, Michigan
- Charlotte, North Carolina
- Charlotte, Tennessee
- Charlottesville, Virginia
- Charlottetown, Prince Edward Island
- Chatham, Illinois
- Chatsworth, Georgia
- Chattanooga, Tennessee
