- Cleobury Mortimer
- Clenchwarton
- Cleland
- Cleethorpes
- Cleckheaton
- Cleator Moor
- Clayton-le-Woods
- Clayton West
- Clayton le Moors
- Claydon
- Clarkston
- Clare
- Clapham
- Clacton-on-Sea
- Clackmannan
- Cirencester
- Cinderford
- Churchdown
- Church Stretton
- Church
- Chudleigh
- Chryston
- Christchurch
- Chorlton cum Hardy
- Chorleywood
- Chorley
- Cholsey
- Chobham
- Chiseldon
- Chirk
- Chipping Sodbury
- Chipping Ongar
- Chipping Norton
- Chipping Campden
- Chippenham
- Chinnor
- Chigwell
- Chiddingfold
- Chickerell
- Chichester
- Chester-le-Street
- Chesterfield
- Chester
- Cheshunt
- Chesham
- Chertsey
- Chepstow
- Cheltenham
- Chelsea
- Chelmsley Wood
- Chelmsford
- Cheetham Hill
- Cheddleton
- Cheddar
- Cheadle Hulme
- Cheadle Heath
- Cheadle
- Chatteris
- Chatham
- Chasetown
- Charvil
- Chartham
- Charlton Kings
- Charlbury
- Charfield
- Chard
- Chapletown
- Chapelhall
- Chapel Saint Leonards
- Chapel en le Frith
- Chapel Allerton
- Chalgrove
- Chalford
- Chalfont Saint Peter
- Chalfont Saint Giles
- Chafford Hundred
- Chadwell St Mary
- Chadwell Heath
- Catterick Garrison
- Catterick
- Catterall
- Catrine
- Caton
- Caterham
- Castlewellan
- Castleside
- Castlereagh
- Castleford
- Castlederg
- Castledawson
- Castle Douglas
- Castle Donington
- Castle Cary
- Carterton
- Carryduff
- Carrickfergus
- Carnoustie
- Carnforth
- Carmarthen
- Carluke
