The average train between Carmarthen and Machynlleth takes 6h 3m and the fastest train takes 5h 37m. The train service runs several times per day from Carmarthen to Machynlleth. 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 Machynlleth. The earliest departure is at 4:46 AM at night, and the last departure from Carmarthen is at 4:41 PM which arrives into Machynlleth at 10:36 PM. All services require a transfer, and take on average 6h 3m. The schedules shown below are for the next available departures.

5h 58m • 1 change
5h 37m • 1 change
6h 46m • 1 change
6h 45m • 1 change
5h 58m • 1 change
5h 37m • 1 change
6h 46m • 1 change
6h 45m • 1 change
5h 58m • 1 change
5h 37m • 1 change
6h 46m • 1 change
6h 45m • 1 change
5h 58m • 1 change
5h 37m • 1 change
6h 46m • 1 change
6h 45m • 1 change
5h 38m • 1 change
6h 46m • 1 change
6h 47m • 1 change
5h 47m • 1 changeWant to know about travelling from Carmarthen to Machynlleth? 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 Machynlleth. However, there are services departing from Carmarthen station and arriving at Machynlleth station via Shrewsbury. The journey, including transfers, takes approximately 6h 3m.
Carmarthen to Machynlleth train services, operated by Transport for Wales, depart from Carmarthen station.
Carmarthen to Machynlleth train services, operated by Transport for Wales, arrive at Machynlleth station.
Book your Carmarthen to Machynlleth train tickets online with Transport for Wales.
The distance between Carmarthen and Machynlleth is 87.4 km. The road distance is 391 km.
You can take a train from Carmarthen to Machynlleth via Shrewsbury in around 6h 9m.