The average train between Slough and Pembroke takes 6h 4m and the fastest train takes 5h 12m. The train service runs several times per day from Slough to Pembroke. 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 Slough and Pembroke. The earliest departure is at 6:22 AM in the morning, and the last departure from Slough is at 10:52 PM which arrives into Pembroke at 8:04 AM. All services require a transfer at Reading and take an average of 6h 4m. The schedules shown below are for the next available departures.


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5h 37m • 2 changesWant to know about travelling from Slough to Pembroke? 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 Pembroke. However, there are services departing from Slough station and arriving at Pembroke station via Swansea. The journey, including transfers, takes approximately 6h 4m.
Slough to Pembroke train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Pembroke train services, operated by Great Western Railway (GWR), arrive at Pembroke station.
Book your Slough to Pembroke train tickets online with Great Western Railway (GWR), Transport for Wales and Elizabeth Line (TfL).
The distance between Slough and Pembroke is 298.9 km. The road distance is 389 km.
You can take a train from Slough to Pembroke via Reading and Swansea in around 6h 19m.