From Pengorffwysfa, Gwynedd to all cities in Clwyd starting with letter C
- Cader, Gwynedd
- Cadnant Park, Gwynedd
- Cadney Bank, Gwynedd
- Cadole, Gwynedd
- Caer Estyn, Gwynedd
- Caergwrle, Gwynedd
- Caerhun, Gwynedd
- Caerwys, Gwynedd
- Calcoed, Gwynedd
- Capel Curig, Gwynedd
- Capel Garmon, Gwynedd
- Capel Siloam, Gwynedd
- Capelulo, Gwynedd
- Carmel, Gwynedd
- Carrog, Gwynedd
- Castell, Gwynedd
- Catch, Gwynedd
- Cefn, Gwynedd
- Cefn Berain, Gwynedd
- Cefn brith, Gwynedd
- Cefn bychan, Gwynedd
- Cefn eurgain, Gwynedd
- Cefn mawr, Gwynedd
- Cefn y bedd, Gwynedd
- Celyn Mali, Gwynedd
- Cerrigydrudion, Gwynedd
- Chirk, Gwynedd
- Chirk Green, Gwynedd
- Chweffordd, Gwynedd
- Chwitffordd, Gwynedd
- Cilcain, Gwynedd
- Clawdd newydd, Gwynedd
- Clawdd Poncen, Gwynedd
- Clocaenog, Gwynedd
- Cloy, Gwynedd
- Cock Bank, Gwynedd
- Coed talon, Gwynedd
- Coedpoeth, Gwynedd
- Colwyn Bay, Gwynedd
- Connahs Quay, Gwynedd
- Conwy, Gwynedd
- Copenhagen, Gwynedd
- Coppa View, Gwynedd
- Corwen, Gwynedd
- Crabtree Green, Gwynedd
- Craig y Don, Gwynedd
- Croes Eneurys, Gwynedd
- Croes wian, Gwynedd
- Cross Lanes, Gwynedd
- Cumbers Bank, Gwynedd
- Cwlach, Gwynedd
- Cwm, Gwynedd
- Cwm Penmachno, Gwynedd
- Cyffylliog, Gwynedd
- Cymau, Gwynedd
- Cynwyd, Gwynedd