- Coal City
- Coachella
- Clyde Hill
- Clyde
- Clyde
- Clyde
- Clute
- Clovis
- Clovis
- Cloverly
- Cloverleaf
- Cloverdale
- Cloverdale
- Cloverdale
- Clover Hill
- Clover
- Closter
- Cloquet
- Clive
- Clio
- Clintonville
- Clinton Stock Yards
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clinton
- Clifton Springs
- Clifton Heights
- Clifton Forge
- Clifton
- Clifton
- Clifton
- Clifton
- Clifton
- Cliffwood Beach
- Cliffside Park
- Clewiston
- Cleves
- Clever
- Cleveland Heights
- Clermont
- Cleona
- Clemson
- Clemmons
- Clementon
- Cleburne
- Clearwater
- Clearwater
- Clearwater
- Clearview
- Clearlake Oaks
- Clearlake
- Clearfield
- Clearfield
- Clearbrook Park
- Clear Lake
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Clayton
- Claymont
- Clay Center
- Clay Center
- Clay
- Claxton
- Clawson
- Claryville
- Clarksville
- Clarksville
- Clarksville
- Clarksville
- Clarkston Heights-Vineland
- Clarkston
- Clarkston
- Clarkson Valley
- Clarkson
- Clarksdale
- Clarksburg
- Clarksburg
