- Carlisle
- Cardenden
- Carcroft
- Capel Saint Mary
- Canterbury
- Cannock
- Canford Heath
- Campsall
- Campbeltown
- Camden Town
- Camborne
- Camberley
- Calne
- Callington
- Callander
- Caldicot
- Caldercruix
- Calcot
- Caistor
- Caister-on-Sea
- Cairnryan
- Cairneyhill
- Caerphilly
- Caernarfon
- Caerleon
- Caergwrle
- Cadnam
- Caddington
- Buxton
- Bushey
- Bury St Edmunds
- Bury
- Burwell
- Burtonwood
- Burton upon Trent
- Burton upon Stather
- Burton Latimer
- Burton Joyce
- Burton
- Bursledon
- Burry Port
- Burntwood
- Burntisland
- Burnopfield
- Burnley
- Burniston
- Burnham-on-Sea
- Burnham on Crouch
- Burnage
- Burley in Wharfedale
- Burgh le Marsh
- Burgess Hill
- Buntingford
- Bungay
- Bulford
- Builth Wells
- Bugle
- Bugbrooke
- Budleigh Salterton
- Bude
- Buckley
- Buckingham
- Buckie
- Buckhurst Hill
- Buckhaven
- Buckfastleigh
- Buckden
- Brynmawr
- Brynamman
- Brymbo
- Bruton
- Brundall
- Broxburn
- Broxbourne
- Brownhills
- Broughton Astley
- Broughton
- Broughshane
- Brough
- Broseley
- Bromsgrove
- Bromham
- Brockenhurst
- Broadway
- Broadwater
- Broadstone
- Broadstairs
- Broadfield
- Brixworth
- Brixton Hill
- Brixton
- Brixham
- Briton Ferry
- Brighton
- Brightlingsea
- Brighouse
- Brigg
- Brierley Hill
- Brierfield
- Bridport
