The average bus between Carmarthen and Brynamman takes 3h 25m and the fastest bus takes 1h 51m. The bus service runs several times per day from Carmarthen to Brynamman. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 4 hours between Carmarthen and Brynamman. The earliest departure is at 7:00 AM in the morning, and the last departure from Carmarthen is at 7:40 PM which arrives into Brynamman at 6:36 AM. All services require a transfer, and take on average 3h 25m. The schedules shown below are for the next available departures.

1h 51m • 1 change

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2h 10m • 1 change

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Want to know about travelling from Carmarthen to Brynamman? 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 bus from Carmarthen to Brynamman. However, there are services departing from Carmarthen station and arriving at Brynamman station via Ammanford Bus Station Stand 4 station. The journey, including transfers, takes approximately 3h 25m.
Carmarthen to Brynamman bus services, operated by First South & West Wales, depart from Carmarthen Bus Station Stand 5.
Carmarthen to Brynamman bus services, operated by First South & West Wales, arrive at Quarry Road station.
The distance between Carmarthen and Brynamman is 30.5 km. The road distance is 46 km.
You can take a bus from Carmarthen Bus Station Stand 5 to Quarry Road via Ammanford Bus Station Stand 3 in around 1h 58m.