The average train between Treforest and Llantwit Major takes 1h 51m and the fastest train takes 1h 15m. There is a train service every few hours from Treforest to Llantwit Major. 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 Treforest and Llantwit Major. The earliest departure is at 5:46 AM in the morning, and the last departure from Treforest is at 11:27 PM which arrives into Llantwit Major at 6:20 AM. All services require a transfer, and take on average 1h 51m. The schedules shown below are for the next available departures.

1h 33m • 1 change

1h 33m • 1 change

1h 33m • 1 change

1h 33m • 1 change

1h 33m • 1 change

1h 29m • 1 change

1h 29m • 1 change

1h 29m • 1 change

1h 33m • 1 change

1h 29m • 1 change

1h 29m • 1 change

1h 29m • 1 change

1h 33m • 1 change

1h 29m • 1 change

1h 29m • 1 change

1h 29m • 1 change
Want to know about travelling from Treforest to Llantwit Major? 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 Treforest to Llantwit Major. However, there are services departing from Treforest station and arriving at Llantwit Major station via Cardiff Central. The journey, including transfers, takes approximately 1h 51m.
Treforest to Llantwit Major train services, operated by Transport for Wales, depart from Trefforest station.
Treforest to Llantwit Major train services, operated by Transport for Wales, arrive at Llantwit Major station.
Book your Treforest to Llantwit Major train tickets online with Transport for Wales.
The distance between Treforest and Llantwit Major is 23.4 km. The road distance is 47 km.
You can take a train from Trefforest to Llantwit Major via Cardiff Central in around 1h 53m.