The average bus between Slough and Carmarthen takes 6h 48m and the fastest bus takes 6h 14m. The bus service runs several times per day from Slough 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 twice daily between Slough and Carmarthen. The earliest departure is at 10:43 AM in the morning, and the last departure from Slough is at 12:46 PM which arrives into Carmarthen at 7:00 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 6h 48m. The schedules shown below are for the next available departures.
Want to know about travelling from Slough 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 Slough to Carmarthen. However, there are services departing from Slough station and arriving at Carmarthen station via Swansea Bus Station Stand B station. The journey, including transfers, takes approximately 6h 48m.
Slough to Carmarthen bus services, operated by First Berkshire & The Thames Valley, depart from Heathrow Central Bus Station.
Slough to Carmarthen bus services, operated by First Berkshire & The Thames Valley, arrive at Rose and Crown station.
Book your Slough to Carmarthen bus tickets online with First Berkshire & The Thames Valley and National Express.
The distance between Slough and Carmarthen is 258.6 km. The road distance is 348 km.
You can take a bus from Wellington Street Stop B to Rose and Crown via Heathrow Central Bus Station and Swansea Bus Station Stand B in around 7h 6m.
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