The average train between Caerphilly and Llanelli takes 2h 45m and the fastest train takes 2h 14m. 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 every 2 hours between Caerphilly and Llanelli. The earliest departure is at 7:18 AM in the morning, and the last departure from Caerphilly is at 9:18 PM which arrives into Llanelli at 11:32 PM. All services require a transfer, and take on average 2h 45m. The schedules shown below are for the next available departures.

2h 39m • 1 change

2h 42m • 1 change

2h 41m • 1 change

2h 42m • 1 change

2h 43m • 1 change

3h 2m • 1 change

2h 46m • 1 change

2h 39m • 1 change

2h 43m • 1 change

3h 2m • 1 change

2h 46m • 1 change

2h 39m • 1 change

2h 43m • 1 change

3h 2m • 1 change

2h 46m • 1 change

2h 39m • 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 Bridgend. The journey, including transfers, takes approximately 2h 45m.
Caerphilly to Llanelli train services, operated by Transport for Wales, depart from Caerphilly 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 115 km.
You can take a train from Caerphilly to Llanelli via Bridgend in around 2h 49m.