The average train between Basingstoke and Carmarthen takes 4h 5m and the fastest train takes 3h 29m. There is a train service every few hours from Basingstoke 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 Basingstoke and Carmarthen. The earliest departure is at 6:51 AM in the morning, and the last departure from Basingstoke is at 10:38 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Reading and take an average of 4h 5m. The schedules shown below are for the next available departures.


3h 45m • 2 changes


3h 38m • 2 changes


3h 50m • 2 changes


4h 7m • 2 changes


3h 40m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 6m • 2 changes


3h 40m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 6m • 2 changes


3h 40m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 6m • 2 changes
Want to know about travelling from Basingstoke 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 Basingstoke to Carmarthen. However, there are services departing from Basingstoke station and arriving at Carmarthen station via Swansea. The journey, including transfers, takes approximately 4h 5m.
Basingstoke to Carmarthen train services, operated by Cross Country, depart from Reading station.
Basingstoke to Carmarthen train services, operated by Cross Country, arrive at Carmarthen station.
Book your Basingstoke to Carmarthen train tickets online with Cross Country, Great Western Railway (GWR) and Transport for Wales.
The distance between Basingstoke and Carmarthen is 232 km. The road distance is 324 km.
You can take a train from Basingstoke to Carmarthen via Reading and Swansea in around 4h 40m.