- Cortland
- Cortez
- Cortez
- Corte Madera
- Corsicana
- Corry
- Corralitos
- Corrales
- Corpus Christi
- Coronado
- Corona de Tucson
- Corona
- Cornwall-on-Hudson
- Cornwall
- Cornville
- Corning
- Corning
- Corning
- Cornelius
- Cornelius
- Cornelia
- Corinth
- Corinth
- Corinth
- Corinna
- Cordova
- Cordova
- Cordes Lakes
- Cordell
- Cordele
- Cordaville
- Corcoran
- Corcoran
- Corbin
- Coraopolis
- Coram
- Coralville
- Coral Terrace
- Coral Springs
- Coral Hills
- Coral Gables
- Coquille
- Copperopolis
- Copperas Cove
- Coppell
- Coplay
- Copiague
- Coos Bay
- Coopertown
- Coopersville
- Coopersburg
- Cooper City
- Cooper
- Cooper
- Coon Rapids
- Coolidge
- Cookeville
- Conyngham
- Conyers
- Conway
- Conway
- Conway
- Conway
- Converse
- Constantine
- Conshohocken
- Conroe
- Conrad
- Conover
- Conning Towers-Nautilus Park
- Connersville
- Connellsville
- Connell
- Conneaut Lakeshore
- Conneaut
- Conley
- Congress
- Congers
- Coney Island
- Concordia
- Concordia
- Concordia
- Concord
- Concord
- Concord
- Concord
- Concord
- Comstock Park
- Comstock Northwest
- Compton
- Como
- Commerce City
- Commerce
- Commerce
- Commerce
- Commerce
- Commack
- Comfort
- Combined Locks
- Combine
