The average train between Gatwick and Carmarthen takes 5h 21m and the fastest train takes 4h 51m. There is a train service every few hours from Gatwick 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 Gatwick and Carmarthen. The earliest departure is at 5:11 AM in the morning, and the last departure from Gatwick is at 10:01 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Reading and take an average of 5h 21m. The schedules shown below are for the next available departures.


5h 20m • 2 changes


5h 46m • 2 changes


5h 36m • 2 changes


5h 27m • 2 changes


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5h 46m • 2 changes


5h 36m • 2 changes


5h 27m • 2 changes


5h 20m • 2 changes


5h 46m • 2 changes


5h 36m • 2 changes


5h 27m • 2 changes
Want to know about travelling from Gatwick 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 Gatwick to Carmarthen. However, there are services departing from Gatwick station and arriving at Carmarthen station via Reading. The journey, including transfers, takes approximately 5h 21m.
Gatwick to Carmarthen train services, operated by Great Western Railway (GWR), depart from Gatwick Airport station.
Gatwick to Carmarthen train services, operated by Great Western Railway (GWR), arrive at Carmarthen station.
Book your Gatwick to Carmarthen train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between Gatwick and Carmarthen is 295.3 km. The road distance is 382 km.
You can take a train from Gatwick Airport to Carmarthen via Reading and Swansea in around 5h 42m.