The average train between Cwmbran and London takes 2h 22m and the fastest train takes 1h 49m. There is a train service every few hours from Cwmbran to London. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Cwmbran and London. The earliest departure is at 12:56 AM at night, and the last departure from Cwmbran is at 11:43 PM which arrives into London at 7:16 AM. All services require a transfer, and take on average 2h 22m. The schedules shown below are for the next available departures.

6h 17m • 1 change

2h 7m • 1 change

2h 19m • 1 change

1h 55m • 1 change

2h 1m • 1 change

1h 51m • 1 change

2h 6m • 1 change

2h 52m • 1 change

2h 9m • 1 change

2h 2m • 1 change

1h 54m • 1 change

1h 55m • 1 change
Want to know about travelling from Cwmbran to London? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Cwmbran to London. However, there are services departing from Cwmbran station and arriving at London station via London Paddington. The journey, including transfers, takes approximately 2h 22m.
Cwmbran to London train services, operated by Transport for Wales, depart from Newport (S Wales) station.
Cwmbran to London train services, operated by Transport for Wales, arrive at London Paddington station.
Book your Cwmbran to London train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Cwmbran and London is 200.7 km. The road distance is 225 km.
Great Western Railway (GWR) operates a train from Newport (S Wales) to London Paddington hourly. Tickets cost £60–110 and the journey takes 1h 45m.