The average train between Carmarthen and Newbury takes 4h 32m and the fastest train takes 3h 40m. There is a train service every few hours from Carmarthen to Newbury. 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 Newbury. The earliest departure is at 4:37 AM at night, and the last departure from Carmarthen is at 10:41 PM which arrives into Newbury at 7:36 AM. All services require a transfer at Swansea and take an average of 4h 32m. The schedules shown below are for the next available departures.


4h 23m • 2 changes


4h 47m • 2 changes


4h 16m • 2 changes


5h 10m • 2 changes


3h 55m • 2 changes


4h 30m • 2 changes


4h 14m • 2 changes


3h 52m • 2 changes


3h 55m • 2 changes


4h 28m • 2 changes


4h 14m • 2 changes


3h 52m • 2 changes
Want to know about travelling from Carmarthen to Newbury? 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 Newbury. However, there are services departing from Carmarthen station and arriving at Newbury station via Swansea. The journey, including transfers, takes approximately 4h 32m.
Carmarthen to Newbury train services, operated by Transport for Wales, depart from Carmarthen station.
Carmarthen to Newbury train services, operated by Transport for Wales, arrive at Reading station.
Book your Carmarthen to Newbury train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Carmarthen and Newbury is 211.8 km. The road distance is 326 km.
You can take a train from Carmarthen to Newbury via Swansea and Reading in around 4h 35m.