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The average train between Slough and Carmarthen takes 4h 18m and the fastest train takes 3h 41m. There is a train service every few hours from Slough to Carmarthen. 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 hourly between Slough and Carmarthen. 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 Carmarthen at 6:47 AM. All services require a transfer at Reading and take an average of 4h 18m. The schedules shown below are for the next available departures.
3h 51m • 2 changes4h 14m • 2 changes4h 3m • 2 changes4h • 2 changes3h 51m • 2 changes4h 14m • 2 changes4h 3m • 2 changes4h • 2 changes3h 51m • 2 changes4h 14m • 2 changes4h 3m • 2 changes4h • 2 changes4h 2m • 2 changes4h 2m • 2 changes4h 2m • 2 changes4h 24m • 2 changes4h 43m • 2 changes3h 41m • 2 changes4h 15m • 2 changes3h 45m • 2 changes3h 51m • 2 changes4h 14m • 2 changes4h 3m • 2 changes4h • 2 changes3h 51m • 2 changes4h 14m • 2 changes4h 3m • 2 changes4h • 2 changesWant to know about travelling from Slough to Carmarthen? 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 Carmarthen. However, there are services departing from Reading station and arriving at Carmarthen station via Swansea station. The journey, including transfers, takes approximately 4h 18m.
Slough to Carmarthen train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Carmarthen train services, operated by Transport for Wales, arrive at Carmarthen station.
Book your Slough to Carmarthen train tickets online with Omio.
The distance between Slough and Carmarthen is 258.6 km. The road distance is 304 km.
You can take a train from Slough to Carmarthen via Reading and Swansea in around 4h 32m.
