The average train between Newbury and Carmarthen takes 4h 21m and the fastest train takes 3h 38m. There is a train service every few hours from Newbury to Carmarthen. 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 Newbury and Carmarthen. The earliest departure is at 6:45 AM in the morning, and the last departure from Newbury is at 11:44 PM which arrives into Carmarthen at 12:32 PM. All services require a transfer at Reading and take an average of 4h 21m. The schedules shown below are for the next available departures.


4h 22m • 2 changes


4h 18m • 2 changes


4h 2m • 2 changes


4h 16m • 2 changes


4h 23m • 2 changes


4h 37m • 2 changes


4h • 2 changes


3h 53m • 2 changes


3h 45m • 2 changes


3h 59m • 2 changes


3h 55m • 2 changes


3h 58m • 2 changes


3h 45m • 2 changes


3h 59m • 2 changes


3h 55m • 2 changes


3h 58m • 2 changes
Want to know about travelling from Newbury to Carmarthen? 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 Newbury to Carmarthen. However, there are services departing from Newbury station and arriving at Carmarthen station via Swansea. The journey, including transfers, takes approximately 4h 21m.
Newbury to Carmarthen train services, operated by Great Western Railway (GWR), depart from Reading station.
Newbury to Carmarthen train services, operated by Great Western Railway (GWR), arrive at Carmarthen station.
Book your Newbury to Carmarthen train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between Newbury and Carmarthen is 211.8 km. The road distance is 326 km.
You can take a train from Newbury to Carmarthen via Reading and Swansea in around 4h 29m.