- Caerphilly
- Cairnryan
- Camberley
- Camborne
- Cambridge
- Camden
- Cannock
- Canterbury
- Canvey Island
- Cape Wrath
- Cardiff
- Cardigan Bay
- Carlisle
- Carlton
- Carrickfergus
- Castle Combe
- Castleford
- Central Milton Keynes
- Chadderton
- Chale
- Chapeltown
- Chatham
- Chelmsford
- Cheltenham
- Cheshunt
- Chester
- Chester-le-Street
- Chesterfield
- Chichester
- Chippenham
- Chipping Sodbury
- Chivenor
- Chorley
- Christchurch
- Clacton
- Clacton-on-Sea
- Cleethorpes
- Clydebank
- Coalville
- Coatbridge
- Colchester
- Coleraine
- Colwyn Bay
- Congleton
- Copplestone
- Corby
- Cottesmore
- Coventry
- Craigencallie
- Cramlington
- Crawley
- Crew Green
- Crewe
- Crewkerne
- Cromer
- Crosby
- Croydon
- Culdrose
- Cumbernauld
- Cwmbran
