- Distance: 76.9 mi
- Duration: 1h 50m
The average train between Cardiff and Carmarthen takes 1h 50m and the fastest train takes 1h 36m. There is an hourly train service from Cardiff 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 Cardiff and Carmarthen. The earliest departure is at 5:35 AM in the morning, and the last departure from Cardiff is at 11:20 PM which arrives into Carmarthen at 1:38 AM. All services run direct with no transfers required, and take on average 1h 50m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff 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.
Yes, there is a direct train departing from Cardiff station and arriving at Carmarthen station. Services depart hourly, and operate Twice daily. The journey takes approximately 1h 50m.
Cardiff to Carmarthen train services, operated by Transport for Wales, depart from Cardiff Central station.
Cardiff to Carmarthen train services, operated by Transport for Wales, arrive at Carmarthen station.
Book your Cardiff to Carmarthen train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Cardiff and Carmarthen is 88.1 km. The road distance is 124 km.
Transport for Wales operates a train from Cardiff Central to Carmarthen hourly. Tickets cost £30–55 and the journey takes 1h 45m. Great Western Railway (GWR) also services this route every 4 hours.
