Oklahoma cities starting with C
- Cache, OK 13
- Calera, OK 7
- Calumet, OK 6
- Cameron, OK 6
- Canton, OK 6
- Carnegie, OK 16
- Catoosa, OK 21
- Chandler, OK 15
- Checotah, OK 15
- Chelsea, OK 12
- Cherokee, OK 8
- Chickasha, OK 41
- Choctaw, OK 19
- Chouteau, OK 12
- Claremore, OK 58
- Clayton, OK 7
- Cleo Springs, OK 5
- Cleveland, OK 17
- Clinton, OK 25
- Coalgate, OK 13
- Colcord, OK 7
- Collinsville, OK 32
- Comanche, OK 10
- Commerce, OK 7
- Cordell, OK 7
- Coweta, OK 27
- Coyle, OK 5
- Crescent, OK 9
- Cushing, OK 28
- Cyril, OK 8