From Marshes, Gwent to all cities in Oxfordshire starting with letter A
- Abingdon on Thames, Gwent
- Adderbury, Gwent
- Adwell, Gwent
- Albury, Gwent
- Alkerton, Gwent
- Alvescot, Gwent
- Ambrosden, Gwent
- Appleford, Gwent
- Appleton, Gwent
- Ardington, Gwent
- Ardington Wick, Gwent
- Ardley, Gwent
- Ascott d Oyley, Gwent
- Ascott Earl, Gwent
- Ascott under Wychwood, Gwent
- Ashbury, Gwent
- Asthall, Gwent
- Asthall Leigh, Gwent
- Aston, Gwent
- Aston Rowant, Gwent
- Aston Tirrold, Gwent
- Aston Upthorpe, Gwent