The average train between London and Pembroke Castle takes 5h 50m and the fastest train takes 5h 3m. The train service runs several times per day from London to Pembroke Castle. 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 London and Pembroke Castle. 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 Pembroke Castle at 8:04 AM. All services require a transfer at Swansea and take an average of 5h 50m. The schedules shown below are for the next available departures.

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5h 12m • 1 changeWant to know about travelling from London to Pembroke Castle? 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 Pembroke Castle. However, there are services departing from London station and arriving at Pembroke Castle station via Swansea. The journey, including transfers, takes approximately 5h 50m.
London to Pembroke Castle train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Pembroke Castle train services, operated by Great Western Railway (GWR), arrive at Pembroke station.
Book your London to Pembroke Castle train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between London and Pembroke Castle is 331.6 km. The road distance is 420 km.
You can take a train from London Paddington to Pembroke Castle via Swansea and Pembroke in around 6h 5m.