The average train between Penarth and Llanelli takes 1h 55m and the fastest train takes 1h 26m. There is a train service every few hours from Penarth 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 Penarth and Llanelli. The earliest departure is at 6:05 AM in the morning, and the last departure from Penarth is at 11:36 PM which arrives into Llanelli at 7:13 AM. All services require a transfer, and take on average 1h 55m. The schedules shown below are for the next available departures.

1h 56m • 1 change

2h 2m • 1 change

2h 16m • 1 change

1h 59m • 1 change

1h 51m • 1 change

1h 29m • 1 change

1h 26m • 1 change

1h 30m • 1 change

1h 51m • 1 change

1h 29m • 1 change

1h 26m • 1 change

1h 30m • 1 change
Want to know about travelling from Penarth 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 Penarth to Llanelli. However, there are services departing from Penarth station and arriving at Llanelli station via Llanelli. The journey, including transfers, takes approximately 1h 55m.
Penarth to Llanelli train services, operated by Transport for Wales, depart from Cardiff Central station.
Penarth to Llanelli train services, operated by Transport for Wales, arrive at Llanelli station.
Book your Penarth to Llanelli train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Penarth and Llanelli is 73.5 km. The road distance is 97 km.
Transport for Wales operates a train from Cardiff Central to Llanelli hourly. Tickets cost £21–40 and the journey takes 1h 31m. Great Western Railway (GWR) also services this route every 4 hours.