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The average train between Carmarthen and London takes 3h 50m and the fastest train takes 3h 39m. The train service runs several times per day from Carmarthen to London. 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. 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 at 11:27 PM. All services run direct with no transfers required, and take on average 3h 50m. The schedules shown below are for the next available departures.
Want to know about travelling from Carmarthen to London? 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.
Yes, there is a direct train departing from Carmarthen station and arriving at London Paddington station. Services depart every four hours, and operate every day. The journey takes approximately 3h 50m.
Carmarthen to London train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
Carmarthen to London train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
Book your Carmarthen to London train tickets online with Omio.
The distance between Carmarthen and London is 290.6 km. The road distance is 338 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 47m.
