The average train between Cardiff and The O2 Arena takes 2h 26m and the fastest train takes 2h 19m. There is an hourly train service from Cardiff to The O2 Arena. 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 The O2 Arena. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into The O2 Arena at 11:52 PM. All services require a transfer at London Paddington and take an average of 2h 26m. The schedules shown below are for the next available departures.


2h 26m • 2 changes


2h 23m • 2 changes


2h 20m • 2 changes


2h 24m • 2 changes


2h 40m • 2 changes


2h 20m • 2 changes


2h 23m • 2 changes


2h 30m • 2 changes


2h 40m • 2 changes


2h 20m • 2 changes


2h 23m • 2 changes


2h 30m • 2 changes
Want to know about travelling from Cardiff to The O2 Arena? 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 The O2 Arena. However, there are services departing from Cardiff station and arriving at The O2 Arena station via London Paddington. The journey, including transfers, takes approximately 2h 26m.
Cardiff to The O2 Arena train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to The O2 Arena train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
The distance between Cardiff and The O2 Arena is 220.4 km. The road distance is 247 km.
Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £60–120 and the journey takes 2h 6m.