The average train between Llantwit Major and Carmarthen takes 2h 15m and the fastest train takes 1h 37m. There is a train service every few hours from Llantwit Major 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 Llantwit Major and Carmarthen. The earliest departure is at 6:21 AM in the morning, and the last departure from Llantwit Major is at 11:23 PM which arrives into Carmarthen at 10:19 AM. All services require a transfer, and take on average 2h 15m. The schedules shown below are for the next available departures.

1h 40m • 1 change

2h 4m • 1 change

2h 28m • 1 change

2h 5m • 1 change

2h 24m • 1 change

1h 56m • 1 change

2h • 1 change

2h 5m • 1 change

2h 4m • 1 change

1h 37m • 1 change

2h 10m • 1 change

2h 24m • 1 change

2h 4m • 1 change

1h 37m • 1 change

2h 10m • 1 change

2h 24m • 1 change
Want to know about travelling from Llantwit Major 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 Llantwit Major to Carmarthen. However, there are services departing from Llantwit Major station and arriving at Carmarthen station via Carmarthen. The journey, including transfers, takes approximately 2h 15m.
Llantwit Major to Carmarthen train services, operated by Transport for Wales, depart from Bridgend station.
Llantwit Major to Carmarthen train services, operated by Transport for Wales, arrive at Carmarthen station.
Book your Llantwit Major to Carmarthen train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Llantwit Major and Carmarthen is 75.3 km. The road distance is 106 km.
Transport for Wales operates a train from Bridgend to Carmarthen hourly. Tickets cost £22–40 and the journey takes 1h 27m. Great Western Railway (GWR) also services this route every 4 hours.