Cities of United Kingdom starting with letter O
City directory of United Kingdom, starting with the letter O, are listed on this page.
- Oxfordshire
- Oxford
- Oldham
- Omagh
- Otley
- Oldbury
- Oakham
- Old Windsor
- Olney
- Oxenhope
- Oddington (Cotswold District)
- Odiham
- Odstock
- Offa
- Offchurch
- Odcombe
- Offenham
- Offerton
- Offerton Park
- Offham
- Offley
- Offord Cluny and Offord D'Arcy
- Offton
- Offwell
- Ogbourne St. George
- Ogmore and Garw
- Ogmore Valley
- Ogwell
- Oakthorpe and Donisthorpe
- Oakamoor
- Oake
- Oakengates
- Oakford
- Oakington and Westwick
- Oakley
- Oakley (Aylesbury Vale)
- Oakley (Bedford)
- Oakmere
- Oakmere
- Oaksey
- Oddington
- Oare (West Somerset District)
- Oborne
- Occold
- Ockbrook and Borrowash
- Ozleworth
- Ockley
- Ocle Pychard
- Ocle Pychard
- Odd Rode