Towns
| State | City/Town | Town Title |
|---|---|---|
| Connecticut | Central Village | Central Village, CT |
| Connecticut | Chaplin | Chaplin, CT |
| Connecticut | Cheshire | Cheshire, CT |
| Connecticut | Chester | Chester, CT |
| Connecticut | Clinton | Clinton, CT |
| Connecticut | Cobalt | Cobalt, CT |
| Connecticut | Colchester | Colchester, CT |
| Connecticut | Colebrook | Colebrook, CT |
| Connecticut | Collinsville | Collinsville, CT |
| Connecticut | Columbia | Columbia, CT |
| Connecticut | Cornwall | Cornwall, CT |
| Connecticut | Cornwall Bridge | Cornwall Bridge, CT |
| Connecticut | Cos Cob | Cos Cob, CT |
| Connecticut | Coventry | Coventry, CT |
| Connecticut | Cromwell | Cromwell, CT |
| Connecticut | Danbury | Danbury, CT |
| Connecticut | Danielson | Danielson, CT |
| Connecticut | Darien | Darien, CT |
| Connecticut | Dayville | Dayville, CT |
| Connecticut | Deep River | Deep River, CT |
| Connecticut | Derby | Derby, CT |
| Connecticut | Durham | Durham, CT |
| Connecticut | East Berlin | East Berlin, CT |
| Connecticut | East Canaan | East Canaan, CT |
| Connecticut | East Glastonbury | East Glastonbury, CT |