The average train between Marylebone and Cardiff takes 2h 10m and the fastest train takes 1h 52m. There is an hourly train service from Marylebone to Cardiff. 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 Marylebone and Cardiff. The earliest departure is at 12:37 AM at night, and the last departure from Marylebone is at 10:39 PM which arrives into Cardiff at 1:08 AM. All services require a transfer at Paddington station and take an average of 2h 10m. The schedules shown below are for the next available departures.

1h 57m • 1 change

2h 1m • 1 change

1h 59m • 1 change

2h 4m • 1 change

7h 29m • 1 change

2h 2m • 1 change

2h 4m • 1 change

1h 57m • 1 change

7h 29m • 1 change

2h 2m • 1 change

2h 4m • 1 change

1h 57m • 1 change
Want to know about travelling from Marylebone to Cardiff? 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 Marylebone to Cardiff. However, there are services departing from Marylebone station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 2h 10m.
Marylebone to Cardiff train services, operated by London Underground (Tube), depart from London Paddington station.
Marylebone to Cardiff train services, operated by London Underground (Tube), arrive at Cardiff Central station.
Book your Marylebone to Cardiff train tickets online with London Underground (Tube) and Great Western Railway (GWR).
The distance between Marylebone and Cardiff is 209.4 km. The road distance is 234 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–120 and the journey takes 1h 58m.