| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Clabaigh | city | Fermanagh and Omagh | United Kingdom | 54.40 | -7.38 | 997 | 2759 |
| Clabby | city | Fermanagh and Omagh | United Kingdom | 54.40 | -7.38 | 997 | 2759 |
| Clabhach | city | Argyll and Bute | United Kingdom | 56.63 | -6.60 | 157 | 0 |
| Clach Mhanainn | city | Clackmannanshire | United Kingdom | 56.10 | -3.75 | 52 | 26763 |
| Clachaig | city | Argyll and Bute | United Kingdom | 55.98 | -5.02 | 830 | 0 |
| Clachan | city | Eilean Siar | United Kingdom | 57.38 | -7.37 | 3 | 492 |
| Clachan | city | Argyll and Bute | United Kingdom | 56.30 | -5.58 | 242 | 0 |
| Clachan | city | Argyll and Bute | United Kingdom | 56.27 | -4.93 | 360 | 0 |
| Clachan | city | Argyll and Bute | United Kingdom | 55.73 | -5.57 | 396 | 0 |
| Clachan of Campsie | city | East Dunbartonshire | United Kingdom | 55.98 | -4.23 | 410 | 35885 |
| Clachan of Glendaruel | city | Argyll and Bute | United Kingdom | 56.00 | -5.20 | 295 | 0 |
| Clachan-Seil | city | Argyll and Bute | United Kingdom | 56.30 | -5.58 | 242 | 0 |
| Clachtoll | city | Highland | United Kingdom | 58.18 | -5.32 | 170 | 0 |
| Clack | city | Wiltshire | United Kingdom | 51.50 | -1.98 | 278 | 6407 |
| Clackmannan | city | Clackmannanshire | United Kingdom | 56.10 | -3.75 | 52 | 26763 |
| Clacton | city | Essex | United Kingdom | 51.78 | 1.17 | 0 | 17185 |
| Clacton al Mar | city | Essex | United Kingdom | 51.78 | 1.17 | 0 | 17185 |
| Clacton-on-Sea | city | Essex | United Kingdom | 51.78 | 1.17 | 0 | 17185 |
| Cladich | city | Argyll and Bute | United Kingdom | 56.35 | -5.08 | 830 | 0 |
| Clady | city | Derry and Strabane | United Kingdom | 54.78 | -7.53 | 314 | 3662 |
| Claidigh | city | Derry and Strabane | United Kingdom | 54.78 | -7.53 | 314 | 3662 |
| Claines | city | Worcestershire | United Kingdom | 52.23 | -2.22 | 236 | 106733 |
| Clanabogan | city | Fermanagh and Omagh | United Kingdom | 54.55 | -7.37 | 344 | 3129 |
| Clanfield | city | Oxfordshire | United Kingdom | 51.70 | -1.58 | 229 | 10389 |
| Clanfield | city | Hampshire | United Kingdom | 50.93 | -1.00 | 347 | 45508 |
| Claonaig | city | Argyll and Bute | United Kingdom | 55.75 | -5.40 | 0 | 0 |
| Claonairi | city | Argyll and Bute | United Kingdom | 56.18 | -5.13 | 177 | 0 |
| Clapham | city | North Yorkshire | United Kingdom | 54.10 | -2.38 | 830 | 50 |
| Clapham | city | Bedford | United Kingdom | 52.15 | -0.48 | 190 | 40884 |
| Clapham | city | Lambeth | United Kingdom | 51.45 | -0.13 | 160 | 658190 |
| Clapham | city | West Sussex | United Kingdom | 50.83 | -0.43 | 108 | 100704 |
| Clapton | city | North Somerset | United Kingdom | 51.46 | -2.76 | 252 | 83697 |
| Clapton | city | Gloucestershire | United Kingdom | 51.85 | -1.77 | 830 | 5066 |
| Clapton in Gordano | city | North Somerset | United Kingdom | 51.46 | -2.76 | 252 | 83697 |
| Clarbeston | city | Sir Benfro | United Kingdom | 51.86 | -4.84 | 223 | 4621 |
| Clarbeston Road | city | Sir Benfro | United Kingdom | 51.85 | -4.88 | 252 | 5891 |
| Clarborough | city | Nottinghamshire | United Kingdom | 53.35 | -0.90 | 288 | 15199 |
| Clare | city | Armagh, Banbridge and Craigavon | United Kingdom | 54.38 | -6.33 | 226 | 18897 |
| Clare | city | Armagh, Banbridge and Craigavon | United Kingdom | 54.33 | -6.45 | 239 | 7243 |
| Clare | city | Suffolk | United Kingdom | 52.08 | 0.58 | 203 | 12023 |
| Claremont | city | Surrey | United Kingdom | 51.35 | -0.35 | 98 | 133506 |
| Clarencefield | city | Dumfries and Galloway | United Kingdom | 55.00 | -3.42 | 78 | 1341 |
| Clareview | city | Fermanagh and Omagh | United Kingdom | 54.50 | -7.73 | 223 | 2235 |
| Clashmore | city | Highland | United Kingdom | 57.87 | -4.12 | 9 | 1642 |
| Clashnessie | city | Highland | United Kingdom | 58.22 | -5.32 | 269 | 0 |
| Clatford | city | Hampshire | United Kingdom | 51.17 | -1.48 | 206 | 18268 |
| Clatt | city | Aberdeenshire | United Kingdom | 57.32 | -2.77 | 984 | 1043 |
| Clatworthy | city | Somerset | United Kingdom | 51.07 | -3.35 | 830 | 7254 |
| Claudy | city | Derry and Strabane | United Kingdom | 54.90 | -7.15 | 830 | 9173 |
| Claudy | city | Mid Ulster | United Kingdom | 54.87 | -6.52 | 137 | 5102 |
| Claughton | city | Lancashire | United Kingdom | 54.08 | -2.67 | 830 | 13232 |
| Claverdon | city | Warwickshire | United Kingdom | 52.27 | -1.70 | 252 | 6334 |
| Clavering | city | Essex | United Kingdom | 51.97 | 0.13 | 321 | 2084 |
| Claverley | city | Shropshire | United Kingdom | 52.53 | -2.30 | 249 | 5918 |
| Claverton | city | Nottinghamshire | United Kingdom | 53.03 | -1.08 | 249 | 56465 |
| Clawdd-newydd | city | Sir Ddinbych | United Kingdom | 53.05 | -3.38 | 830 | 9685 |
| Clawton | city | Devon | United Kingdom | 50.77 | -4.33 | 830 | 3735 |
| Claxby | city | Lincolnshire | United Kingdom | 53.43 | -0.32 | 314 | 3278 |
| Claxby by Normanby | city | Lincolnshire | United Kingdom | 53.43 | -0.32 | 314 | 3278 |
| Claxton | city | Norfolk | United Kingdom | 52.57 | 1.43 | 22 | 11177 |
| Clay Cross | city | Derbyshire | United Kingdom | 53.15 | -1.42 | 830 | 24782 |
| Claybrooke | city | Leicestershire | United Kingdom | 52.48 | -1.27 | 311 | 14282 |
| Claybrooke | city | Leicestershire | United Kingdom | 52.48 | -1.28 | 308 | 14443 |
| Claybrooke Magna | city | Leicestershire | United Kingdom | 52.48 | -1.28 | 308 | 14443 |
| Claybrooke Parva | city | Leicestershire | United Kingdom | 52.48 | -1.27 | 311 | 14282 |
| Claydon | city | Buckinghamshire | United Kingdom | 51.93 | -0.98 | 252 | 9536 |
| Claydon | city | Oxfordshire | United Kingdom | 52.13 | -1.33 | 830 | 14201 |
| Claydon | city | Suffolk | United Kingdom | 52.08 | 1.12 | 62 | 93022 |
| Claygate | city | Surrey | United Kingdom | 51.35 | -0.35 | 98 | 133506 |
| Claypits | city | Gloucestershire | United Kingdom | 51.75 | -2.34 | 147 | 15308 |
| Claypole | city | Lincolnshire | United Kingdom | 53.03 | -0.73 | 177 | 6264 |
| Claythorpe | city | Lincolnshire | United Kingdom | 53.28 | 0.12 | 200 | 3427 |
| Clayton | city | Kirklees | United Kingdom | 53.60 | -1.62 | 830 | 81716 |
| Clayton | city | Bradford | United Kingdom | 53.77 | -1.82 | 830 | 100146 |
| Clayton | city | Barnsley | United Kingdom | 53.55 | -1.32 | 223 | 61170 |
| Clayton | city | West Sussex | United Kingdom | 50.90 | -0.15 | 830 | 87600 |
| Clayton West | city | Kirklees | United Kingdom | 53.60 | -1.62 | 830 | 81716 |
| Clayton le Moor | city | Lancashire | United Kingdom | 53.77 | -2.38 | 393 | 70543 |
| Clayton le Moors | city | Lancashire | United Kingdom | 53.77 | -2.38 | 393 | 70543 |
| Clayworth | city | Nottinghamshire | United Kingdom | 53.38 | -0.90 | 203 | 9442 |
| Cleadale | city | Highland | United Kingdom | 56.92 | -6.15 | 830 | 0 |
| Cleasby | city | United Kingdom | 54.52 | -1.60 | 196 | 31475 | |
| Cleator | city | Cumbria | United Kingdom | 54.50 | -3.52 | 413 | 10578 |
| Cleator Moor | city | Cumbria | United Kingdom | 54.52 | -3.52 | 291 | 10562 |
| Cleckheaton | city | Kirklees | United Kingdom | 53.72 | -1.72 | 308 | 92900 |
| Clee | city | North East Lincolnshire | United Kingdom | 53.55 | -0.05 | 3 | 49347 |
| Clee Saint Margaret | city | Shropshire | United Kingdom | 52.45 | -2.65 | 971 | 3257 |
| Cleethorpes | city | North East Lincolnshire | United Kingdom | 53.55 | -0.03 | 3 | 43919 |
| Cleeve Prior | city | Worcestershire | United Kingdom | 52.13 | -1.87 | 232 | 2594 |
| Cleggy | city | North East Lincolnshire | United Kingdom | 53.55 | -0.03 | 3 | 43919 |
| Cleland | city | North Lanarkshire | United Kingdom | 55.80 | -3.90 | 830 | 50040 |
| Clenchwarton | city | Norfolk | United Kingdom | 52.75 | 0.35 | 3 | 15757 |
| Clent | city | Worcestershire | United Kingdom | 52.42 | -2.12 | 830 | 109271 |
| Cleobury | city | Shropshire | United Kingdom | 52.38 | -2.48 | 370 | 3978 |
| Cleobury Mortimer | city | Shropshire | United Kingdom | 52.38 | -2.48 | 370 | 3978 |
| Cleobury North | city | Shropshire | United Kingdom | 52.48 | -2.57 | 830 | 5541 |
| Cleongart | city | Argyll and Bute | United Kingdom | 55.53 | -5.68 | 830 | 0 |
| Clevedon | city | North Somerset | United Kingdom | 51.44 | -2.85 | 3 | 45889 |
| Cleveland Port | city | Middlesbrough | United Kingdom | 54.58 | -1.20 | 9 | 103778 |
| Cleveleys | city | United Kingdom | 53.87 | -3.05 | 3 | 88274 | |
| Cley | city | Norfolk | United Kingdom | 52.97 | 1.05 | 3 | 3115 |
| Cley next the Sea | city | Norfolk | United Kingdom | 52.97 | 1.05 | 3 | 3115 |
| Clibreck | city | Highland | United Kingdom | 58.27 | -4.42 | 830 | 0 |
| Cliburn | city | Cumbria | United Kingdom | 54.60 | -2.63 | 830 | 1788 |
| Cliddesden | city | Hampshire | United Kingdom | 51.23 | -1.08 | 830 | 35040 |
| Cliffe | city | Medway | United Kingdom | 51.45 | 0.50 | 9 | 53857 |
| Cliffe Pypard | city | Wiltshire | United Kingdom | 51.48 | -1.90 | 830 | 10738 |
| Cliffe-at-Hoo | city | Medway | United Kingdom | 51.45 | 0.50 | 9 | 53857 |
| Clifford | city | Herefordshire | United Kingdom | 52.10 | -3.10 | 347 | 3507 |
| Clifton | city | Worcestershire | United Kingdom | 52.25 | -2.42 | 305 | 2548 |
| Clifton | city | Warwickshire | United Kingdom | 52.38 | -1.22 | 364 | 28013 |
| Clifton | city | Cumbria | United Kingdom | 54.62 | -2.72 | 830 | 1788 |
| Clifton | city | York | United Kingdom | 53.97 | -1.10 | 36 | 71371 |
| Clifton | city | Derbyshire | United Kingdom | 53.00 | -1.75 | 830 | 6918 |
| Clifton | city | Nottingham | United Kingdom | 52.90 | -1.18 | 137 | 126309 |
| Clifton | city | Central Bedfordshire | United Kingdom | 52.03 | -0.30 | 190 | 30837 |
| Clifton | city | City of Bristol | United Kingdom | 51.46 | -2.62 | 200 | 161580 |
| Clifton Campville | city | Staffordshire | United Kingdom | 52.68 | -1.62 | 249 | 11182 |
| Clifton Hampden | city | Oxfordshire | United Kingdom | 51.65 | -1.20 | 177 | 13486 |
| Clifton on Dunsmore | city | Warwickshire | United Kingdom | 52.38 | -1.22 | 364 | 28013 |
| Clifton upon Dunsmore | city | Warwickshire | United Kingdom | 52.38 | -1.22 | 364 | 28013 |
| Clifton upon Teme | city | Worcestershire | United Kingdom | 52.25 | -2.42 | 305 | 2548 |
| Cliftonville | city | Belfast | United Kingdom | 54.62 | -5.93 | 6 | 152497 |
| Cliftonville | city | Kent | United Kingdom | 51.38 | 1.42 | 3 | 47714 |
| Clippesby | city | Norfolk | United Kingdom | 52.67 | 1.58 | 3 | 17965 |
| Clipsham | city | Rutland | United Kingdom | 52.72 | -0.55 | 259 | 5329 |
| Clipston | city | Northamptonshire | United Kingdom | 52.42 | -0.95 | 830 | 4625 |
| Clipstone | city | Nottinghamshire | United Kingdom | 53.17 | -1.10 | 259 | 52438 |
| Clitheroe | city | Lancashire | United Kingdom | 53.87 | -2.40 | 275 | 2866 |
| Clive | city | Shropshire | United Kingdom | 52.80 | -2.72 | 265 | 10155 |
| Cliveden | city | Buckinghamshire | United Kingdom | 51.55 | -0.68 | 213 | 73526 |
| Clixby | city | Lincolnshire | United Kingdom | 53.52 | -0.35 | 232 | 3161 |
| Clocaenog | city | Sir Ddinbych | United Kingdom | 53.07 | -3.38 | 885 | 9684 |
| Cloch Mhic Coisteala | city | Belfast | United Kingdom | 54.64 | -5.92 | 0 | 121397 |
| Clochaigh | city | Ards and North Down | United Kingdom | 54.43 | -5.48 | 0 | 4392 |
| Clochar | city | Mid Ulster | United Kingdom | 54.42 | -7.20 | 364 | 4564 |
| Clochóg | city | Newry, Mourne and Down | United Kingdom | 54.15 | -6.35 | 282 | 11215 |
| Clock Face | city | St. Helens | United Kingdom | 53.42 | -2.72 | 52 | 107170 |
| Clodock | city | Herefordshire | United Kingdom | 51.95 | -2.98 | 830 | 4121 |
| Clogh | city | Mid and East Antrim | United Kingdom | 54.97 | -6.28 | 830 | 4668 |
| Clogh Mills | city | Causeway Coast and Glens | United Kingdom | 54.98 | -6.33 | 354 | 4358 |
| Clogher | city | Mid Ulster | United Kingdom | 54.42 | -7.20 | 364 | 4564 |
| Cloghoge | city | Newry, Mourne and Down | United Kingdom | 54.15 | -6.35 | 282 | 11215 |
| Cloghy | city | Ards and North Down | United Kingdom | 54.43 | -5.48 | 0 | 4392 |
| Clonfeacle | city | Mid Ulster | United Kingdom | 54.42 | -6.72 | 203 | 3979 |
| Clooney Park | city | Derry and Strabane | United Kingdom | 55.00 | -7.30 | 173 | 31160 |
| Clophill | city | Central Bedfordshire | United Kingdom | 52.02 | -0.42 | 209 | 14140 |
| Clopton | city | Suffolk | United Kingdom | 52.12 | 1.25 | 78 | 16458 |
| Closeburn | city | Dumfries and Galloway | United Kingdom | 55.22 | -3.73 | 344 | 1341 |
| Clothall | city | Hertfordshire | United Kingdom | 51.97 | -0.15 | 321 | 30999 |
| Clotton | city | Cheshire West and Chester | United Kingdom | 53.17 | -2.72 | 150 | 10599 |
| Clough | city | Newry, Mourne and Down | United Kingdom | 54.28 | -5.83 | 3 | 5742 |
| Clough | city | Mid and East Antrim | United Kingdom | 54.97 | -6.28 | 830 | 4668 |
| Cloughmills | city | Causeway Coast and Glens | United Kingdom | 54.98 | -6.33 | 354 | 4358 |
| Cloughton | city | North Yorkshire | United Kingdom | 54.33 | -0.43 | 3 | 9572 |
| Clova | city | Angus | United Kingdom | 56.83 | -3.10 | 1194 | 0 |
| Clova | city | Aberdeenshire | United Kingdom | 57.28 | -2.90 | 830 | 1043 |
| Clovelly | city | Devon | United Kingdom | 51.00 | -4.40 | 203 | 1757 |
| Clovenfords | city | The Scottish Borders | United Kingdom | 55.62 | -2.87 | 958 | 1639 |
| Clovulin | city | Highland | United Kingdom | 56.72 | -5.30 | 0 | 0 |
| Clovullin | city | Highland | United Kingdom | 56.72 | -5.30 | 0 | 0 |
| Clowne | city | Derbyshire | United Kingdom | 53.27 | -1.25 | 416 | 34633 |
| Cloyfin | city | Causeway Coast and Glens | United Kingdom | 55.15 | -6.62 | 177 | 19155 |
| Cluain Fhiacna | city | Mid Ulster | United Kingdom | 54.42 | -6.72 | 203 | 3979 |
| Clun | city | Shropshire | United Kingdom | 52.42 | -3.03 | 944 | 3129 |
| Clun Gunward | city | Shropshire | United Kingdom | 52.42 | -2.88 | 830 | 3324 |
| Clunas | city | Highland | United Kingdom | 57.48 | -3.87 | 830 | 0 |
| Clunbury | city | Shropshire | United Kingdom | 52.42 | -2.92 | 830 | 3197 |
| Clunderwen | city | Carmarthenshire | United Kingdom | 51.84 | -4.73 | 249 | 2906 |
| Clune | city | Highland | United Kingdom | 57.30 | -4.02 | 1669 | 0 |
| Clunes | city | Highland | United Kingdom | 56.95 | -4.97 | 830 | 0 |
| Clungunford | city | Shropshire | United Kingdom | 52.42 | -2.88 | 830 | 3324 |
| Clunie | city | Aberdeenshire | United Kingdom | 57.55 | -2.62 | 830 | 1069 |
| Clunie | city | Perth and Kinross | United Kingdom | 56.57 | -3.45 | 249 | 0 |
| Clunton | city | Shropshire | United Kingdom | 52.43 | -2.98 | 830 | 3129 |
| Clutton | city | Bath and North East Somerset | United Kingdom | 51.33 | -2.54 | 830 | 10970 |
| Clydach | city | Sir Fynwy | United Kingdom | 51.80 | -3.12 | 1669 | 26164 |
| Clydach | city | Swansea | United Kingdom | 51.68 | -3.90 | 177 | 52018 |
| Clydach Vale | city | Rhondda Cynon Taf | United Kingdom | 51.63 | -3.48 | 944 | 45798 |
| Clydebank | city | Argyll and Bute | United Kingdom | 55.95 | -4.62 | 0 | 37946 |
| Clydebank | city | West Dunbartonshire | United Kingdom | 55.90 | -4.40 | 183 | 82423 |
| Clydey | city | Sir Benfro | United Kingdom | 51.98 | -4.55 | 830 | 3153 |
| Clynder | city | Argyll and Bute | United Kingdom | 56.02 | -4.82 | 252 | 20273 |
| Clynderwen | city | Carmarthenshire | United Kingdom | 51.84 | -4.73 | 249 | 2906 |
| Clyne | city | Highland | United Kingdom | 58.03 | -3.88 | 311 | 0 |
| Clynekirkton | city | Highland | United Kingdom | 58.03 | -3.88 | 311 | 0 |
| Clynnog | city | Gwynedd | United Kingdom | 53.02 | -4.37 | 830 | 1794 |
| Clynnog-fawr | city | Gwynedd | United Kingdom | 53.02 | -4.37 | 830 | 1794 |
| Clyro | city | Powys | United Kingdom | 52.08 | -3.15 | 249 | 1995 |
| Clyst Honiton | city | Devon | United Kingdom | 50.73 | -3.43 | 108 | 46967 |
| Clyst Hydon | city | Devon | United Kingdom | 50.80 | -3.37 | 193 | 7835 |
| Clyst Saint Lawrence | city | Devon | United Kingdom | 50.78 | -3.38 | 167 | 13817 |
| Clyst Saint Mary | city | Devon | United Kingdom | 50.72 | -3.45 | 68 | 67527 |
| Clyst St Mary | city | Devon | United Kingdom | 50.72 | -3.45 | 68 | 67527 |
| Clóidigh | city | Derry and Strabane | United Kingdom | 54.90 | -7.15 | 830 | 9173 |