Regions of United Kingdom
- Coillemore
- Coilacriech
- Coignashie
- Coignafearn Lodge
- Rubha Cóigeach
- Coigach
- Coggeshall
- Cogenhoe
- Cog Burn
- Cogan
- Cofton Hackett
- Coffinswell
- Coelbren
- Coed-Talon
- Coedpoeth
- Coedely
- Coedana
- River Coe
- Glen Coe
- Codsall
- Codnor
- Codicote
- Codford Saint Peter
- Codford Saint Mary
- Codford
- Coddington
- Coddington
- Coddenham
- Cod Beck
- Cockshutt
- Cock of Arran
- Cockmuir
- Cockley Cley
- Cockle Park
- Cockle Gatway
- Cocklawfoot
- Cocking
- Cockfosters
- Cockfield
- Cockfield
- Cockermouth
- Cockerham
- River Cocker
- River Cocker
- Cockenzie Road
- Cockenzie
- Cockburnspath
- Cockburn
- Cock Bridge
- Cockayne Hatley
- Cochno Loch
- Glen Cochill
- Cobham
- Cobham
- Coberley
- River Cober
- Cobbinshaw Reservoir
- South Cobbinshaw
- Cobairdy
- Coates
- Coatbridge
- Coanwood
- Coalville
- Coalstoun House
- Coal Rock
- Coalport
- Coal Pit
- Coalisland
- Coaley
- Coalcleugh
- Coalburn
- Coalbrookdale
- Coagh
- Coa
- Cnoc Glass
- Knockangle Rock
- River Clywedog
- Afon Clywedog
- Clyth Ness
- Clyth Burn
- Clyst St Mary
- Clyst Saint Lawrence
- Clyst Hydon
- Clyst Honiton
- Clyro
- Clynnog-fawr
- Clynekirkton
- Clyne Castle
- Clunderwen
- Clynder
- Clydey
- Clydesdale
- Clydebank
- River Clyde
- Firth of Clyde
- Clydach
- Clydach
- Clwydian Range
- Vale of Clwyd
- River Clwyd
- Clwyd
- Clutton
- Cluny House
- Cluny Castle
- Cluny Castle
- Clunton
- Clunie Water
- Loch of Clunie
- Clunie
- Clunie
- Clungunford
- Clun Forest
- Clunes Lodge
- Clunes
- Clune
- Clunbury
- Clunas
- River Clun
- Clun
- The Clumps
- Clumly Baas
- Clumber House
- Clugston Loch
- Rudha Cluer
- Cluden Water
- The Clubb
- Cluas Deas
- Cluanie Inn
- Strath Cluanie
- Loch Cluanie
- Cloyfin
- Glen Cloy
- Clowne
- Clovullin
- Clover Hill
- Clovenfords
- Clovelly Road
- Clovelly
- Glen Clova
- Clova
- Ness of Clousta
- Cloughton Wyke
- Cloughton
- Clough River
- Clough
- The Cloud
- Clotton
- Clothall
- Close House
- Closeburn
- Clopton
- Clophill
- Clooney Park
- Clontylew House
- Clonfeacle
- Clonelly House
- Clomare Head
- Cloki Stack
- Stack Clò Kearvaig
- Rubha na Cloiche
- Cloghy Bay
- Cloghy
- Clogh River
- Cloghoge
- Clogh Mills
- Cloghfin River
- Clogher
- Cloghastucan
- Clogh
- The Clogg
- Clodock
- Clock Face
- Cloch Point
- Clocaenog
- Cloa Rock
- Clixby
- Clivie Bay
- Cliveden
- Clive
- Clitheroe
- Clisham
- Clipstone
- Clipston
- Clipsham
- Clippesby
- Climnie
- Cligga Head
- Clift Sound
- Cliftonville
- Clifton upon Teme
- Clifton upon Dunsmore
- Clifton Park
- Clifton Lodge
- Clifton Junction Station
- Clifton Hampden
- Clifton Down
- Clifton Campville
- Clifton
- Clifton
- Clifton