The average train between Llanelli and Porthmadog takes 9h 20m and the fastest train takes 7h 12m. The train service runs several times per day from Llanelli to Porthmadog. 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 4 hours between Llanelli and Porthmadog. The earliest departure is at 5:12 AM in the morning, and the last departure from Llanelli is at 6:09 PM which arrives into Porthmadog at 12:38 PM. All services require a transfer at Shrewsbury and take an average of 9h 20m. The schedules shown below are for the next available departures.


7h 38m • 2 changes


8h 23m • 2 changes


8h 24m • 2 changes


7h 54m • 2 changes


7h 38m • 2 changes


8h 23m • 2 changes


8h 24m • 2 changes


7h 54m • 2 changes


7h 38m • 2 changes


8h 23m • 2 changes


8h 24m • 2 changes


7h 54m • 2 changes


7h 38m • 2 changes


8h 23m • 2 changes


8h 24m • 2 changes


7h 54m • 2 changes


7h 38m • 2 changes


8h 21m • 2 changes


8h 24m • 2 changes


7h 50m • 2 changes
Want to know about travelling from Llanelli to Porthmadog? 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 Llanelli to Porthmadog. However, there are services departing from Llanelli station and arriving at Porthmadog station via Shrewsbury. The journey, including transfers, takes approximately 9h 20m.
Llanelli to Porthmadog train services, operated by Transport for Wales, depart from Llanelli station.
Llanelli to Porthmadog train services, operated by Transport for Wales, arrive at Porthmadog station.
Book your Llanelli to Porthmadog train tickets online with Transport for Wales.
The distance between Llanelli and Porthmadog is 138.3 km. The road distance is 345 km.
You can take a train from Llanelli to Porthmadog via Shrewsbury and Machynlleth in around 9h 2m.