Towns
| State | City/Town | Town Title |
|---|---|---|
| Oregon | Colton | Colton, OR |
| Oregon | Columbia City | Columbia City, OR |
| Oregon | Condon | Condon, OR |
| Oregon | Coos Bay | Coos Bay, OR |
| Oregon | Coquille | Coquille, OR |
| Oregon | Corbett | Corbett, OR |
| Oregon | Cornelius | Cornelius, OR |
| Oregon | Corvallis | Corvallis, OR |
| Oregon | Cottage Grove | Cottage Grove, OR |
| Oregon | Cove | Cove, OR |
| Oregon | Crabtree | Crabtree, OR |
| Oregon | Crane | Crane, OR |
| Oregon | Crater Lake | Crater Lake, OR |
| Oregon | Crawfordsville | Crawfordsville, OR |
| Oregon | Crescent | Crescent, OR |
| Oregon | Creswell | Creswell, OR |
| Oregon | Culp Creek | Culp Creek, OR |
| Oregon | Culver | Culver, OR |
| Oregon | Curtin | Curtin, OR |
| Oregon | Dairy | Dairy, OR |
| Oregon | Dallas | Dallas, OR |
| Oregon | Damascus | Damascus, OR |
| Oregon | Days Creek | Days Creek, OR |
| Oregon | Dayton | Dayton, OR |
| Oregon | Dayville | Dayville, OR |