The average train between Carmarthen and Weymouth takes 6h 53m and the fastest train takes 5h 19m. The train service runs several times per day from Carmarthen to Weymouth. 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 Weymouth. The earliest departure is at 5:27 AM in the morning, and the last departure from Carmarthen is at 6:57 PM which arrives into Weymouth at 10:32 AM. All services require a transfer, and take on average 6h 53m. The schedules shown below are for the next available departures.

5h 34m • 1 change

5h 36m • 1 change

5h 29m • 1 change

5h 30m • 1 change

5h 34m • 1 change

5h 36m • 1 change

5h 29m • 1 change

5h 30m • 1 change

5h 34m • 1 change

5h 36m • 1 change

5h 29m • 1 change

5h 30m • 1 change

6h 8m • 1 change

5h 31m • 1 change

5h 30m • 1 change

5h 19m • 1 change

5h 34m • 1 change

5h 36m • 1 change

5h 29m • 1 change

5h 30m • 1 change
Want to know about travelling from Carmarthen to Weymouth? 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 Weymouth. However, there are services departing from Carmarthen station and arriving at Weymouth station via Bristol Temple Meads. The journey, including transfers, takes approximately 6h 53m.
Carmarthen to Weymouth train services, operated by Transport for Wales, depart from Carmarthen station.
Carmarthen to Weymouth train services, operated by Transport for Wales, arrive at Weymouth station.
Book your Carmarthen to Weymouth train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Carmarthen and Weymouth is 188.5 km. The road distance is 324 km.
You can take a train from Carmarthen to Weymouth via Bristol Temple Meads in around 6h 3m.