From Caversfield, Oxfordshire to all cities in Gwent starting with letter U
- Underwood, Oxfordshire
- Undy, Oxfordshire
- Upper Coedcae, Oxfordshire
- Upper Common, Oxfordshire
- Upper Cwmbran, Oxfordshire
- Upper Fedw, Oxfordshire
- Upper Ochrwyth, Oxfordshire
- Upper Race, Oxfordshire
- Upper Redbrook, Oxfordshire
- Usk, Oxfordshire
- Uskmouth, Oxfordshire