Reino Unido
Países do mundo
O
- (Doncaster) Old Edlington
- (Somerset) Old Cleeve
- (Cheshire East) Over Peover
- (Cheshire East) Oakhanger
- (Lancashire) Osbaldeston
- (Somerset) Over Stratton
- (Lancashire) Old Langho
- (Nottinghamshire) Oldcotes
- (Warwickshire) Over Green
- (Kirklees) Oldfield
- (Northamptonshire) Onley
- (Bradford) Oldfield
- (City and Borough of Wakefield) Old Snydale
- (Kirklees) Oakenshaw
- (Borough of Thurrock) Orsett Heath
- (Norfolk) Ormesby St Michael
- (City and Borough of Leeds) Old Bramhope
- (City and Borough of Wakefield) Overton
- (Somerset) Oldford
- (South Gloucestershire) Old Down
- (Barnsley) Oxspring
- (Northumberland) Ogle
- (South Gloucestershire) Old Sodbury
- (West Berkshire) Old Warren
- (South Gloucestershire) Oldbury Naite
- (East Riding of Yorkshire) Old Ellerby
- (Calderdale) Ogden
- (Doncaster) Old Denaby
- (Hertfordshire) Oaklands
- (Shropshire) Oreton