The average train between Slough and Pembrokeshire takes 5h 14m and the fastest train takes 4h 26m. The train service runs several times per day from Slough 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 Slough and Pembrokeshire. The earliest departure is at 6:24 AM in the morning, and the last departure from Slough is at 10:54 PM which arrives into Pembrokeshire at 8:16 AM. All services require a transfer at Reading and take an average of 5h 14m. The schedules shown below are for the next available departures.


4h 26m • 2 changes


4h 48m • 2 changes


4h 37m • 2 changes


4h 39m • 2 changes


4h 26m • 2 changes


4h 48m • 2 changes


4h 37m • 2 changes


4h 39m • 2 changes


4h 26m • 2 changes


4h 48m • 2 changes


4h 37m • 2 changes


4h 39m • 2 changes


4h 51m • 2 changes


4h 59m • 2 changes


4h 50m • 2 changes


4h 59m • 2 changes
Want to know about travelling from Slough 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 Slough to Pembrokeshire. However, there are services departing from Slough station and arriving at Pembrokeshire station via Swansea. The journey, including transfers, takes approximately 5h 14m.
Slough to Pembrokeshire train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Pembrokeshire train services, operated by Great Western Railway (GWR), arrive at Clarbeston Road station.
Book your Slough to Pembrokeshire train tickets online with Great Western Railway (GWR), Transport for Wales and Elizabeth Line (TfL).
The distance between Slough and Pembrokeshire is 300.1 km. The road distance is 368 km.
You can take a train from Slough to Clarbeston Road via Reading and Swansea in around 5h 44m.