- Camp Sherman
- Canby
- Cannon Beach
- Canyon City
- Canyonville
- Cape Meares
- Carlton
- Cascade Locks
- Cascadia
- Cave Junction
- Cayuse
- Cayuse
- Cedar Hills
- Cedar Mill
- Central Point
- Chenoweth
- Chiloquin
- Clackamas
- Clatskanie
- Cloverdale
- Coburg
- Columbia City
- Condon
- Cooper Spur
- Coos Bay
- Coquille
- Cornelius
- Corvallis
- Cottage Grove
- Cove
- Crabtree
- Crane
- Crawfordsville
- Creswell
- Culp Creek
- Culver
