The average bus between Machynlleth and Carmarthen takes 4h 52m and the fastest bus takes 4h 10m. There is a bus service every few hours from Machynlleth 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.
Buses run every 2 hours between Machynlleth and Carmarthen. The earliest departure is at 6:37 AM in the morning, and the last departure from Machynlleth is at 9:37 PM which arrives into Carmarthen at 7:47 AM. All services require a transfer at Aberystwyth Bus Station Stand 7 and take an average of 4h 52m. The schedules shown below are for the next available departures.


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Want to know about travelling from Machynlleth 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.
No, there is no direct bus from Machynlleth to Carmarthen. However, there are services departing from Machynlleth station and arriving at Carmarthen station via Aberystwyth Bus Station Stand 4 station. The journey, including transfers, takes approximately 4h 52m.
Machynlleth to Carmarthen bus services, operated by Lloyd's Coaches, depart from Clock station.
Machynlleth to Carmarthen bus services, operated by Lloyd's Coaches, arrive at Council Offices station.
The distance between Machynlleth and Carmarthen is 87.4 km. The road distance is 116 km.
You can take a bus from Clock to Council Offices via Aberystwyth Bus Station Stand 7 and The Black Lion in around 3h 41m.