Regions of United Kingdom
- Clifton
- Clifton
- Clifton
- Clifford
- Cliff Foot Rocks
- Clyffe Pypard
- Cliff End Point
- Cliffe
- Loch of Cliff
- Cliddesden
- Loch of Clickimin
- Cliburn
- Cley next the Sea
- Cleveleys
- Cleveland Hills
- Cleveland
- Clevedon
- Cleuch Burn
- Skerry of Cletts
- Point of Cletts
- Clett Head
- Clettack Skerry
- The Clett
- Clestran Sound
- Skerries of Clestran
- Clerkhill Burn
- Cleongart
- Cleobury North
- Cleobury Mortimer
- Clent
- Clenchwarton
- Cleland
- The Cleiver
- Cleiteadh Mor
- Penclegyr
- Cleggan Lodge
- Cleeve Prior
- Cleethorpes
- Clee Saint Margaret
- Clee Hills
- Clee Hill
- Afon Cledwen
- Cleckheaton
- Cleator Moor
- Cleator
- Bay of Cleat
- Cleasby
- Clearburn Loch
- Cleadale
- Clayworth
- Clayton West
- Clayton le Moors
- Clayton
- Clayton
- Clayton
- Claythorpe
- Claypole
- Claypits
- Clay Lake
- Claygate
- Claydon
- Claydon
- Clay Cross
- Claybrooke Parva
- Claybrooke Magna
- Claxton
- Claxby
- Clawton
- Clawdd-newydd
- Claverley
- Clavering
- Claverdon
- Claughton
- Claughton
- Claudy River
- Claudy
- Claudy
- Clauchrie Burn
- Clauchlands Point
- Clatworthy
- Clashnessie
- Clashmore
- Glas Bheinn
- Clàr Loch
- Clark Wharf Spit
- Clark Wharf
- Clareview
- Clarencefield
- Claremont Estate
- Clare Castle
- Clare
- Clare
- Clare
- Clarborough
- Clarbeston Road
- Clarbeston
- Loch nan Clàr
- Clapton Park
- Clapton in Gordano
- Clapton
- Clapham
- Clapham
- Clapham
- Clapham
- Claonairi
- Claonaig
- Loch of the Clans
- Clanfield
- Clanfield
- Clandeboye
- Clanabogan
- Clanabogan
- Loch na Claise
- Loch Clàir
- Loch Clair
- Claines
- Loch Claidh
- Claggain Bay
- Claerwen Reservoir
- Afon Claerwen
- Clady Water
- Clady
- Cladville
- Cladich
- Clacton-on-Sea
- Clackmannanshire
- Clackmannan
- Clack
- Clachtoll
- Clachnaben
- Clach Leathad
- Clachan of Glendaruel
- Clachan of Campsie
- Clachan
- Clachan
- Clachan
- Clachan
- Clachaig Water
- Clachaig
- Rudha nan Clach
- Clabhach
- Clabby
- Sgurr na Ciste Duibhe
- Ciste Dhubh
- Cirencester
- Cioch na h-Oighe
- Cinderford
- Cilycwm
- Cilybebyll
- Cilmalieu
- Ciliau-Aeron
- Cilgwyn
- Cilgerran
- Cilcennin
- Cilcain
- Trwyn Cilan
- Pen y Cil
- Sgurr na Ciche
- Ciaran Water
- Loch Ciaran
- Gleann Cia-aig
- Chynhalls Point
- Chwilog
- Chute
- Churwell
- Churston Ferrers
- River Churnet
- River Churn
- Churchtown
- Churchton Bay
- Church Stretton
- Church Stowe
- Churchstow
- Church Stoke
- Church Pulverbatch
- Church Point
- Churchover
- Church Minshull
- Church Lench
- Church Leigh
- Church Langton
- Churchill
- Churchill
- Churchill
- Honeybourne
- Church Hill
- Church Hill
- Church Hanborough
- Church Gresley
- Church Fenton
- Churchend
- Church Eaton
- Churchdown
- Church Coppenhall
- Church Broughton
- Church Brampton
- Church Bay
- Church Bay
- Church
- Loch a’ Chumhainn