The average train between Exeter and Carmarthen takes 4h 7m and the fastest train takes 3h 51m. There is a train service every few hours from Exeter 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 Exeter and Carmarthen. The earliest departure is at 6:25 AM in the morning, and the last departure from Exeter is at 9:14 PM which arrives into Carmarthen at 1:37 AM. All services require a transfer at Bristol Parkway and take an average of 4h 7m. The schedules shown below are for the next available departures.


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Want to know about travelling from Exeter 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 Exeter to Carmarthen. However, there are services departing from Exeter station and arriving at Carmarthen station via Bristol Parkway. The journey, including transfers, takes approximately 4h 7m.
Exeter to Carmarthen train services, operated by Cross Country, depart from Exeter St Davids station.
Exeter to Carmarthen train services, operated by Cross Country, arrive at Carmarthen station.
Book your Exeter to Carmarthen train tickets online with Cross Country, Great Western Railway (GWR) and Transport for Wales.
The distance between Exeter and Carmarthen is 137 km. The road distance is 308 km.
You can take a train from Exeter St Davids to Carmarthen via Bristol Parkway and Swansea in around 4h 48m.