The average train between Caerphilly and Llanelli takes 1h 50m and the fastest train takes 1h 35m. There is a train service every few hours from Caerphilly 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 Caerphilly and Llanelli. The earliest departure is at 6:03 AM in the morning, and the last departure from Caerphilly is at 10:27 PM which arrives into Llanelli at 1:06 AM. All services require a transfer, and take on average 1h 50m. The schedules shown below are for the next available departures.

1h 46m • 1 change

1h 41m • 1 change

1h 42m • 1 change

1h 46m • 1 change

1h 53m • 1 change

1h 46m • 1 change

1h 41m • 1 change

1h 42m • 1 change

1h 53m • 1 change

1h 46m • 1 change

1h 41m • 1 change

1h 42m • 1 change
Want to know about travelling from Caerphilly 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 Caerphilly to Llanelli. However, there are services departing from Caerphilly station and arriving at Llanelli station via Llanelli. The journey, including transfers, takes approximately 1h 50m.
Caerphilly to Llanelli train services, operated by Transport for Wales, depart from Cardiff Central station.
Caerphilly to Llanelli train services, operated by Transport for Wales, arrive at Llanelli station.
Book your Caerphilly to Llanelli train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Caerphilly and Llanelli is 66.2 km. The road distance is 104 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.