Cadgwith, Calenick, Callestick, Callington, Calloose, Calstock, Calvadnack, Camborne, Cambrose, Camelford, Camelford Station, Cannalidgey, Canonstown, Canworthy Water, Cape Cornwall, Caradon Town, Carbis, Carbis Bay, Carclaze, Carclew, Cardinham, Carey Park, Carfury, Cargreen, Carharrack, Carkeel, Carland Cross, Carleen, Carlidnack, Carloggas, Carludon, Carlyon Bay, Carminow Cross, Carn Arthen, Carn Brea Village, Carn Towan, Carne, Carnebone, Carnhell Green, Carnhot, Carnkie, Helston, Carnkie, Redruth, Carnkief, Carnon Downs, Carnsmerry, Carnyorth, Caroe, Carpalla, Carthamartha, Carthew, Carwynnen, Carzise, Castallack, Castle Dore, Castle Gate, Castle Killibury, Catchall, Cawsand, Chacewater, Chapel, Chapel Amble, Chapel Town, Charaton Cross, Charlestown, Chenhalls, Chilsworthy, Chiverton Cross, Church Coombe, Church Cove, Church Town, Churchbridge, Churchtown, Chyandour, Chyanvounder, Chycoose, Chynhale, Chynoweth, Chyvarloe, Clapper, Clerkenwater, Cliff, Clowance Wood, Clubworthy, Coad's Green, Cocks, Cockwells, Colan, Cold Northcott, Coldharbour, Coldvreath, Collamoor Head, Come-to-Good, Comford, Comfort, Common Moor, Congdon's Shop, Connon, Connor Downs, Constantine, Constantine Bay, Cooksland, Coombe, Bude, Coombe, Camborne, Coombe, Liskeard, Coombe, Redruth, Coombe, St. Austell, Coombe, Truro, Coppathorne, Copperhouse, Copthorne, Corgee, Costislost, Coswinsawsin, Couch's Mill, Coverack, Cowlands, Cox Hill, Coxford, Coxpark, Crackington Haven, Crafthole, Crahan, Crantock, Crean, Creed, Creegbrawse, Crelly, Cremyll, Criggan, Crimp, Cripplesease, Croanford, Croft Mitchell, Crofthandy, Cross Coombe, Cross Hill, Cross Lanes, Crossgate, Crosstown, Crow's Nest, Crowan, Crowlas, Crowntown, Crows-an-wra, Crugmeer, Crumplehorn, Cubert, Curgurrell, Currian Vale, Curry Lane, Cury, Cusgarne, Cusveorth Coombe, Cutmadoc, Cutmere