The average train between Kent and Carmarthen takes 5h 48m and the fastest train takes 4h 59m. There is a train service every few hours from Kent 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 Kent and Carmarthen. The earliest departure is at 2:01 AM at night, and the last departure from Kent is at 9:18 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Ashford International and take an average of 5h 48m. The schedules shown below are for the next available departures.




5h 7m • 4 changes




5h 12m • 4 changes




5h 9m • 4 changes




5h 11m • 4 changes




8h 29m • 4 changes




6h 1m • 4 changes




5h 7m • 4 changes




5h 12m • 4 changes




8h 29m • 4 changes




6h 1m • 4 changes




5h 7m • 4 changes




5h 12m • 4 changes




8h 29m • 4 changes




6h 1m • 4 changes




5h 7m • 4 changes




5h 12m • 4 changes
Want to know about travelling from Kent 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 Kent to Carmarthen. However, there are services departing from Kent station and arriving at Carmarthen station via London St Pancras Intl. The journey, including transfers, takes approximately 5h 48m.
Kent to Carmarthen train services, operated by Southeastern, depart from Ashford International station.
Kent to Carmarthen train services, operated by Southeastern, arrive at Carmarthen station.
Book your Kent to Carmarthen train tickets online with Southeastern, London Underground (Tube) and 2 other operators.
The distance between Kent and Carmarthen is 353.3 km. The road distance is 467 km.
You can take a train from Lenham to Carmarthen via Ashford International, London St Pancras International, King's Cross St. Pancras station, Paddington, London Paddington, and Swansea in around 5h 58m.