The average train between Carmarthen and The O2 Arena takes 4h 41m and the fastest train takes 4h 2m. There is a train service every few hours from Carmarthen 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 Carmarthen and The O2 Arena. The earliest departure is at 4:38 AM at night, and the last departure from Carmarthen is at 10:42 PM which arrives into The O2 Arena at 7:47 AM. All services require a transfer at Swansea and take an average of 4h 41m. The schedules shown below are for the next available departures.



4h 45m • 3 changes



4h 12m • 3 changes



4h 49m • 3 changes



4h 12m • 3 changes



4h 9m • 3 changes



4h 12m • 3 changes



4h 16m • 3 changes



4h 29m • 3 changes



4h 9m • 3 changes



4h 12m • 3 changes



4h 16m • 3 changes



4h 29m • 3 changes



4h 9m • 3 changes



4h 12m • 3 changes



4h 16m • 3 changes



4h 29m • 3 changes
Want to know about travelling from Carmarthen 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 Carmarthen to The O2 Arena. However, there are services departing from Carmarthen station and arriving at The O2 Arena station via Swansea. The journey, including transfers, takes approximately 4h 41m.
Carmarthen to The O2 Arena train services, operated by Transport for Wales, depart from Carmarthen station.
Carmarthen to The O2 Arena train services, operated by Transport for Wales, arrive at London Paddington station.
The distance between Carmarthen and The O2 Arena is 299.6 km. The road distance is 371 km.
You can take a train from Carmarthen to The O2 Arena via Swansea, London Paddington, Bond Street Station, Bond Street station, and North Greenwich station in around 4h 52m.