Reino Unido
Países do mundo
O
- (Suffolk) Orford
- (Suffolk) Otley
- (North Yorkshire) Osmotherley
- (Devon) Otterton
- Otterburn
- (Somerset) Othery
- (Worcestershire) Ombersley
- Ottringham
- Ockley
- (Lancashire) Over Kellet
- Orleton
- (Nottinghamshire) Oxton
- (Wiltshire) Oaksey
- (Suffolk) Occold
- (Kent) Offham
- (Buckinghamshire) Oving
- (Nottinghamshire) Orston
- (Northamptonshire) Orlingbury
- (Devon) Offwell
- (Lincolnshire) Osbournby
- (Leicestershire) Old Dalby
- (South Gloucestershire) Oldbury-on-Severn
- (Wiltshire) Orcheston
- (Dorset) Owermoigne
- (Lincolnshire) Old Bolingbroke
- (Warwickshire) Oxhill
- (Hampshire) Oakhanger
- Oak Hangar
- (Wiltshire) Oare
- (Cumbria) Orton