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Carmarthen to Merthyr Tydfil trains

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Trip Overview

The average train between Carmarthen and Merthyr Tydfil takes 3h 24m and the fastest train takes 2h 49m. There is a train service every few hours from Carmarthen to Merthyr Tydfil. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 24m
Duration
101 mi
Distance
£52
Average price
Hourly
Frequency

Train

best
  1. Take the train from Carmarthen to Cardiff Centraltrain train Milford Haven - Manchester Piccadilly / ...
  2. Take the train from Cardiff Central to Merthyr Tydfiltrain train Aberdare - Merthyr Tydfil / ...
3h 16m
£40–81

Carmarthen to Merthyr Tydfil train times

Trains run hourly between Carmarthen and Merthyr Tydfil. The earliest departure is at 6:01 AM in the morning, and the last departure from Carmarthen is at 10:41 PM which arrives into Merthyr Tydfil at 6:33 AM. All services require a transfer, and take on average 3h 24m. The schedules shown below are for the next available departures.

Frequently asked questions

Want to know about travelling from Carmarthen to Merthyr Tydfil? 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.

Map of how to get from Carmarthen to Merthyr Tydfil.ExpandLaunch map view
  • Distance: 100.6 mi
  • Duration: 3h 24m

What companies run services between Carmarthen, Wales and Merthyr Tydfil, Wales?

You can take a train from Carmarthen to Merthyr Tydfil via Cardiff Central in around 3h 16m.

Operators