Monmouthshire - Sir Fynwy

From Wikipedia :

From Wikipedia : Chepstow railway station is a part of the British railway system owned by Network Rail and is operated by Transport for Wales. Chepstow station is on the Gloucester to Newport Line, 141 miles 33 chains (227.6 km) from the zero point at Paddington, measured via Stroud. It is 330 yards (300 m) from the town centre, at Station Road. Chepstow is a historic walled border town and ancient port, situated at the southern end of the Wye Valley, two hours from London.

From Wikipedia : Caldicot railway station is a part of the British railway system owned by Network Rail and is operated by Transport for Wales. It serves the town of Caldicot in Monmouthshire, Wales. It is located between Chepstow and the city of Newport on the Gloucester line, 148 miles 2 chains (238.2 km) from the zero point at Paddington, measured via Stroud. The line to Bristol via the Severn Tunnel runs just to the north but there are no platforms here; however, Severn Tunnel Junction station is within walking distance for those wanting to travel to Bristol.

From Wikipedia : Abergavenny railway station (Welsh: Y Fenni) is situated south-east of the town centre of Abergavenny, Wales. It is part of the British railway system owned by Network Rail and is operated by Transport for Wales. It lies on the Welsh Marches Line between Newport and Hereford.