The average train between Carmarthen and Devon takes 5h 40m and the fastest train takes 4h 8m. There is a train service every few hours from Carmarthen to Devon. 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 every 2 hours between Carmarthen and Devon. The earliest departure is at 4:37 AM at night, and the last departure from Carmarthen is at 6:20 PM which arrives into Devon at 11:13 PM. All services require a transfer at Swansea and take an average of 5h 40m. The schedules shown below are for the next available departures.



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5h 6m • 3 changes


4h 46m • 3 changes


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5h 14m • 3 changes


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5h 6m • 3 changes


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4h 10m • 3 changes


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5h 7m • 3 changes


5h 8m • 3 changesWant to know about travelling from Carmarthen to Devon? 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 Devon. However, there are services departing from Carmarthen station and arriving at Devon station via Swansea. The journey, including transfers, takes approximately 5h 40m.
Carmarthen to Devon train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
Carmarthen to Devon train services, operated by Great Western Railway (GWR), arrive at Exeter St Davids station.
Book your Carmarthen to Devon train tickets online with Great Western Railway (GWR), Cross Country and Transport for Wales.
The distance between Carmarthen and Devon is 128.8 km. The road distance is 324 km.
You can take a train from Carmarthen to Yeoford via Swansea, Bristol Parkway, and Exeter St Davids in around 6h 1m.