From Marshes, Gwent to all cities in West Sussex starting with letter A
- Abbotsford, Gwent
- Abingworth, Gwent
- Adsdean, Gwent
- Adversane, Gwent
- Albourne, Gwent
- Albourne Green, Gwent
- Albourne Street, Gwent
- Aldingbourne, Gwent
- Aldsworth, Gwent
- Aldwick, Gwent
- Alfold Bars, Gwent
- Almodington, Gwent
- Amberley, Gwent
- Ancton, Gwent
- Andrews Hill, Gwent
- Angmering, Gwent
- Ansty, Gwent
- Apuldram, Gwent
- Ardingly, Gwent
- Arundel, Gwent
- Ashfold Crossways, Gwent
- Ashington, Gwent
- Ashurst, Gwent
- Ashurst Wood, Gwent
- Avisford, Gwent