The average train between Carmarthen and London Victoria takes 4h 8m and the fastest train takes 3h 59m. The train service runs several times per day from Carmarthen to London Victoria. 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 Carmarthen and London Victoria. The earliest departure is at 7:23 AM in the morning, and the last departure from Carmarthen is at 7:20 PM which arrives into London Victoria at 11:53 PM. All services require a transfer at London Paddington and take an average of 4h 8m. The schedules shown below are for the next available departures.

4h 16m • 1 change
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4h 15m • 1 change
3h 59m • 1 change
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4h 9m • 1 change
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4h 8m • 1 change
4h 2m • 1 change
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4h 8m • 1 changeWant to know about travelling from Carmarthen to London Victoria? 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 Carmarthen to London Victoria. However, there are services departing from Carmarthen station and arriving at London Paddington station via London Paddington station. The journey, including transfers, takes approximately 4h 8m.
Carmarthen to London Victoria train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
Carmarthen to London Victoria train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
The distance between Carmarthen and London Victoria is 289.4 km. The road distance is 336 km.
Great Western Railway (GWR) operates a train from Carmarthen to London Paddington every 4 hours. Tickets cost £90–170 and the journey takes 3h 49m.