From Walnuttree Green, Hertfordshire to all cities in West Yorkshire starting with letter A
- Aberford, Hertfordshire
- Ackton, Hertfordshire
- Ackworth Moor Top, Hertfordshire
- Addingford, Hertfordshire
- Addingham, Hertfordshire
- Addingham Moorside, Hertfordshire
- Adel, Hertfordshire
- Adel East Moor, Hertfordshire
- Adwalton, Hertfordshire
- Agbrigg, Hertfordshire
- Ainley Top, Hertfordshire
- Airedale, Hertfordshire
- Aireworth, Hertfordshire
- Akroydon, Hertfordshire
- Allerton, Hertfordshire
- Allerton Bywater, Hertfordshire
- Almondbury, Hertfordshire
- Almondbury Common, Hertfordshire
- Altofts, Hertfordshire
- Alverthorpe, Hertfordshire
- Alwoodley, Hertfordshire
- Alwoodley Gates, Hertfordshire
- Alwoodley Park, Hertfordshire
- Ambler Thorn, Hertfordshire
- America Moor, Hertfordshire
- Apperley Bridge, Hertfordshire
- Armitage Bridge, Hertfordshire
- Armley, Hertfordshire
- Arrunden, Hertfordshire
- Arthington, Hertfordshire
- Arthursdale, Hertfordshire
- Ashenhurst, Hertfordshire
- Ashfield, Hertfordshire
- Aspley, Hertfordshire
- Atkinson Hill, Hertfordshire
- Austhorpe, Hertfordshire