The average train between Cardiff and W London takes 2h 10m and the fastest train takes 2h 3m. There is an hourly train service from Cardiff to W 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 Cardiff and W London. The earliest departure is at 5:14 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into W London at 11:27 PM. All services require a transfer at London Paddington and take an average of 2h 10m. The schedules shown below are for the next available departures.

2h 13m • 1 change

2h 10m • 1 change

2h 16m • 1 change

2h 7m • 1 change

2h 19m • 1 change

2h 5m • 1 change

2h 11m • 1 change

2h 11m • 1 change

2h 16m • 1 change

2h 9m • 1 change

2h 5m • 1 change

2h 5m • 1 change
Want to know about travelling from Cardiff to W 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 Cardiff to W London. However, there are services departing from Cardiff station and arriving at W London station via London Paddington. The journey, including transfers, takes approximately 2h 10m.
Cardiff to W London train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to W London train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
The distance between Cardiff and W London is 211 km. The road distance is 237 km.
Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £60–120 and the journey takes 2h 19m.