The average train between Croydon and Carmarthen takes 4h 46m and the fastest train takes 4h 17m. There is a train service every few hours from Croydon 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 Croydon and Carmarthen. The earliest departure is at 6:03 AM in the morning, and the last departure from Croydon is at 10:01 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Farringdon and take an average of 4h 46m. The schedules shown below are for the next available departures.



4h 17m • 3 changes



4h 23m • 3 changes



4h 30m • 3 changes



4h 21m • 3 changes



4h 27m • 3 changes



4h 43m • 3 changes



4h 33m • 3 changes



4h 24m • 3 changes



4h 27m • 3 changes



4h 43m • 3 changes



4h 33m • 3 changes



4h 24m • 3 changes
Want to know about travelling from Croydon 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 Croydon to Carmarthen. However, there are services departing from Croydon station and arriving at Carmarthen station via Swansea. The journey, including transfers, takes approximately 4h 46m.
Croydon to Carmarthen train services, operated by Thameslink, depart from London Paddington station.
Croydon to Carmarthen train services, operated by Thameslink, arrive at Carmarthen station.
Book your Croydon to Carmarthen train tickets online with Thameslink, Elizabeth Line (TfL) and 2 other operators.
The distance between Croydon and Carmarthen is 295 km. The road distance is 381 km.
You can take a train from East Croydon to Carmarthen via Farringdon, Farringdon Without, London Paddington, and Swansea in around 5h 12m.