From Ailscroft, Herefordshire to all cities in Wiltshire starting with letter O
- Oaksey, Herefordshire
- Oare, Herefordshire
- Odstock, Herefordshire
- Ogbourne Maizey, Herefordshire
- Ogbourne St Andrew, Herefordshire
- Ogbourne St George, Herefordshire
- Okus, Herefordshire
- Old Dilton, Herefordshire
- Old Town, Herefordshire
- Old Wardour, Herefordshire
- Orcheston, Herefordshire
- Outmarsh, Herefordshire
- Overtown, Herefordshire
- Oxenwood, Herefordshire