The average train between Poplar and Cardiff takes 2h 28m and the fastest train takes 2h 9m. There is an hourly train service from Poplar 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 Poplar and Cardiff. The earliest departure is at 12:09 AM at night, and the last departure from Poplar is at 10:20 PM which arrives into Cardiff at 1:08 AM. All services require a transfer, and take on average 2h 28m. The schedules shown below are for the next available departures.

2h 16m • 1 change

2h 17m • 1 change

2h 19m • 1 change

2h 17m • 1 change

7h 57m • 1 change

2h 20m • 1 change

2h 21m • 1 change

2h 13m • 1 change

7h 57m • 1 change

2h 20m • 1 change

2h 21m • 1 change

2h 13m • 1 change
Want to know about travelling from Poplar 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 Poplar to Cardiff. However, there are services departing from Poplar station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 2h 28m.
Poplar to Cardiff train services, operated by Elizabeth Line (TfL), depart from London Paddington station.
Poplar to Cardiff train services, operated by Elizabeth Line (TfL), arrive at Cardiff Central station.
Book your Poplar to Cardiff train tickets online with Elizabeth Line (TfL) and Great Western Railway (GWR).
The distance between Poplar and Cardiff is 219.2 km. The road distance is 244 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.