The average train between Hayes and Carmarthen takes 5h 17m and the fastest train takes 4h 42m. There is a train service every few hours from Hayes 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 Hayes and Carmarthen. The earliest departure is at 5:27 AM in the morning, and the last departure from Hayes is at 9:28 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at London Charing Cross and take an average of 5h 17m. The schedules shown below are for the next available departures.



4h 58m • 3 changes



5h 2m • 3 changes



5h • 3 changes



5h 1m • 3 changes



5h 4m • 3 changes



5h 17m • 3 changes



5h 8m • 3 changes



4h 58m • 3 changes



5h 4m • 3 changes



5h 17m • 3 changes



5h 8m • 3 changes



4h 58m • 3 changes
Want to know about travelling from Hayes 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 Hayes to Carmarthen. However, there are services departing from Hayes station and arriving at Carmarthen station via Swansea. The journey, including transfers, takes approximately 5h 17m.
Hayes to Carmarthen train services, operated by Southeastern, depart from London Paddington station.
Hayes to Carmarthen train services, operated by Southeastern, arrive at Carmarthen station.
Book your Hayes to Carmarthen train tickets online with Southeastern, London Underground (Tube) and 2 other operators.
The distance between Hayes and Carmarthen is 303.1 km. The road distance is 384 km.
You can take a train from Hayes (Kent) to Carmarthen via London Charing Cross, Charing Cross station, Paddington station, London Paddington, and Swansea in around 5h 34m.