Cities
- Camborne ON
- Cambray ON
- Camden East ON
- Camperdown ON
- Canton ON
- Cape Croker ON
- Cape Onion NL
- Cardwell ON
- Carley ON
- Carmel ON
- Carrville ON
- Carthew Bay ON
- Cartwright NL
- Casey ON
- Cashtown ON
- Casummit Lake ON
- Cat Lake ON
- Cataraqui ON
- Cavan ON
- Cavan Twp ON
- Cawaja Beach ON
- Cedar Glen ON
- Cedar Hurst ON
- Cedar Point ON
- Cedarmont Beach ON
- Cedarville ON
- Centreton ON
- Centreville BC
- Ceylon ON
- Chaffeys Locks ON
- Chalk Lake ON
- Chemong Park ON
- Chepstow ON
- Chesley Lake ON
- Chief s Point ON
- Chippawa Hill ON
- Christie Beach ON
- Claraday ON
- Claremont ON
- Clavelly ON
- Clearwater Beach ON
- Clifford ON
- Clova QC
- Cloyne ON
- Clyde Forks ON
- Colbourne ON
- Coleraine ON
- Colgan ON
- Collingwood ON
- Collins Bay ON
- Conche NL
- Conestoga Estates ON
- Conn ON
- Cook s Harbour NL
- Coopers Falls ON
- Coppin s ON
- Corbetton ON
- Cormac ON
- Cormorant MB
- Couchiching ON
- Coulson ON
- Cowans Bay ON
- Coxvale ON
- Craighurst ON
- Craigvale ON
- Creighton Heights ON
- Cresswell ON
- Cronk Lake ON
- Crooked Creek ON
- Croque NL
- Crossland ON
- Crown Hill ON
- Croyden ON
- Cundles ON
- Curve Lake ON