Reino Unido
Países do mundo
O
- (Lincolnshire) Oxcombe
- (Highland) Orbost
- (Highland) Ord
- (Moray) Orbliston
- (Suffolk) Offton
- (Norfolk) Ovington
- (North East Lincolnshire) Old Clee
- (East Riding of Yorkshire) Ousefleet
- Ovington
- (Staffordshire) Onneley
- (Leicestershire) Orton on the Hill
- (Warwickshire) Offchurch
- (Cumbria) Oulton
- (Cumbria) Ousby
- (Aberdeenshire) Old Deer
- (Aberdeen City) Old Aberdeen
- (Highland) Oykell Bridge
- Ower
- (Dorset) Over Compton
- (Calderdale) Ovenden
- (City and Borough of Wakefield) Outwood
- (Kirklees) Outlane
- (Cornwall) Otterham
- (Hampshire) Otterbourne
- (Argyll and Bute) Otter Ferry
- (Kent) Ospringe
- (Peterborough) Orton Waterville
- (Highland) Onich
- (Derby) Old Tupton
- (Aberdeenshire) Old Rayne