The average train between Plymouth and Llanelli takes 4h 40m and the fastest train takes 4h 24m. There is a train service every few hours from Plymouth to Llanelli. 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 Plymouth and Llanelli. The earliest departure is at 5:25 AM in the morning, and the last departure from Plymouth is at 8:08 PM which arrives into Llanelli at 1:06 AM. All services require a transfer at Bristol Parkway and take an average of 4h 40m. The schedules shown below are for the next available departures.


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4h 30m • 2 changesWant to know about travelling from Plymouth to Llanelli? 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 Plymouth to Llanelli. However, there are services departing from Plymouth station and arriving at Llanelli station via Bristol Parkway. The journey, including transfers, takes approximately 4h 40m.
Plymouth to Llanelli train services, operated by Cross Country, depart from Plymouth station.
Plymouth to Llanelli train services, operated by Cross Country, arrive at Swansea station.
Book your Plymouth to Llanelli train tickets online with Cross Country, Great Western Railway (GWR) and Transport for Wales.
The distance between Plymouth and Llanelli is 145.7 km. The road distance is 358 km.
You can take a train from Plymouth to Llanelli via Bristol Parkway and Swansea in around 4h 55m.