Locations
- Oadby, England
- Oakamoor, England
- Oakengates, England
- Oakham, England
- Oakhill, England
- Oakley, England
- Oakley
- Oakwood, England
- Oban, Scotland
- Odiham, England
- Offerton Park, England
- Ogbourne Saint George, England
- Ogmore Vale, Wales
- Okehampton, England
- Old Aberdeen, Scotland
- Old Bailey, England
- Old Basing and Lychpit, England
- Old Kilpatrick, Scotland
- Old Milverton, England
- Old Penshaw, England
- Old Somerby, England
- Old Street, England
- Old Trafford, England
- Old Windsor, England
- Oldbury, England
- Oldbury, England
- Oldbury-on-Severn, England
- Oldham, England
- Ollerton, England
- Olney, England
- Olney, England
- Olton, England
- Omagh, Northern Ireland
- Openshaw, England
- Ormskirk, England
- Orpington, England
- Orwell, England
- Osmington, England
- Ossett, England
- Oswestry, England