Steden van de Verenigd Koninkrijk, te beginnen met de letter O Pagina 4
- Ouston
- Otterham
- Orton Waterville
- Overton (Cheshire West and Chester)
- Over Alderley
- Ollerton
- Over
- Oakington and Westwick
- Offord Cluny and Offord D'Arcy
- Old Weston
- Old Hurst
- Ormesby St. Michael
- Otterhampton
- Over Stowey
- Otley
- Overton
- Ospringe
- Otford
- Otterbourne
- Olivers Battery
- Old Alresford
- Over Compton
- Okeford Fitzpaine
- Ottery St. Mary
- Offwell
- Outseats
- Osmaston
- Orton
- Orton (Carlisle District)
- Ovington (County Durham)
- Oldcastle
- Oakmere
- Old Warden
- Odell
- Osbaldwick
- Overton (Wrexham)
- Offa
- Overbury
- Old Windsor
- Otley (Suffolk Coastal District)
- Orchard Portman
- Othery
- Oswestry
- Onibury
- Overton (Hambleton District)
- Oulston
- Offchurch
- Outwood
- Ockham
- Osgathorpe