The average train between London and Pembrokeshire takes 4h 59m and the fastest train takes 4h 11m. The train service runs several times per day from London to Pembrokeshire. 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 London and Pembrokeshire. The earliest departure is at 6:48 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Pembrokeshire at 8:16 AM. All services require a transfer, and take on average 4h 59m. The schedules shown below are for the next available departures.

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4h 18m • 1 changeWant to know about travelling from London to Pembrokeshire? 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 London to Pembrokeshire. However, there are services departing from London station and arriving at Pembrokeshire station via Swansea. The journey, including transfers, takes approximately 4h 59m.
London to Pembrokeshire train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Pembrokeshire train services, operated by Great Western Railway (GWR), arrive at Clarbeston Road station.
Book your London to Pembrokeshire train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between London and Pembrokeshire is 332.2 km. The road distance is 398 km.
You can take a train from London Paddington to Clarbeston Road via Swansea in around 5h 5m.