Cities in Commonwealth of Pennsylvania, United States ( 562 )
- Carlisle, Pennsylvania
- Carnegie, Pennsylvania
- Carnot-Moon
- Carroll Valley
- Castle Shannon
- Catasauqua
- Centerville, Pennsylvania
- Chalfont, Pennsylvania
- Chambersburg
- Charleroi, Pennsylvania
- Chester Heights
- Chester, Pennsylvania
- Chester Springs, Pennsylvania
- Chesterbrook
- Churchill, Pennsylvania
- Churchville, Pennsylvania
- Clairton
- Clarion, Pennsylvania
- Clarks Summit
- Clearfield, Pennsylvania
- Clifton Heights, Pennsylvania
- Coatesville, Pennsylvania
- Collegeville, Pennsylvania
- Collingdale
- Colonial Park
- Columbia, Pennsylvania
- Colwyn, Pennsylvania
- Connellsville
- Conshohocken
- Coplay
- Coraopolis
- Cornwall, Pennsylvania
- Corry, Pennsylvania
- Coudersport
- Crafton, Pennsylvania
- Cranberry Township, Pennsylvania