The average bus between Carmarthen and Swindon takes 1h 43m and the fastest bus takes 1h 29m. The bus service runs several times per day from Carmarthen to Swindon. 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 3 hours between Carmarthen and Swindon. The earliest departure is at 6:00 AM in the morning, and the last departure from Carmarthen is at 5:30 PM which arrives into Swindon at 7:06 PM. All services require a transfer, and take on average 1h 43m. The schedules shown below are for the next available departures.

2h 28m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 36m • 1 change

2h 28m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 36m • 1 change

2h 28m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 36m • 1 change

2h 28m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 36m • 1 change

2h 28m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 36m • 1 change
Want to know about travelling from Carmarthen to Swindon? 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 Swindon. However, there are services departing from Carmarthen station and arriving at Swindon station via Llanelli Bus Station Stand 6 station. The journey, including transfers, takes approximately 1h 43m.
Carmarthen to Swindon bus services, operated by First South & West Wales, depart from Carmarthen Bus Station Stand 3.
Carmarthen to Swindon bus services, operated by First South & West Wales, arrive at Swindon station.
The distance between Carmarthen and Swindon is 23.5 km. The road distance is 41 km.
You can take a bus from Carmarthen Bus Station Stand 3 to Swindon via Llanelli Bus Station Stand 7 in around 1h 54m.