The average train between Billericay and Carmarthen takes 4h 56m and the fastest train takes 4h 24m. There is a train service every few hours from Billericay 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.
Trains run hourly between Billericay and Carmarthen. The earliest departure is at 5:31 AM in the morning, and the last departure from Billericay is at 9:55 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Stratford and take an average of 4h 56m. The schedules shown below are for the next available departures.



4h 52m • 3 changes



4h 29m • 3 changes



4h 51m • 3 changes



4h 29m • 3 changes



5h 13m • 3 changes



4h 57m • 3 changes



5h 37m • 3 changes



5h 1m • 3 changes



5h • 3 changes



5h • 3 changes



4h 45m • 3 changes



4h 46m • 3 changes
Want to know about travelling from Billericay 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 train from Billericay to Carmarthen. However, there are services departing from Billericay station and arriving at Carmarthen station via Swansea. The journey, including transfers, takes approximately 4h 56m.
Billericay to Carmarthen train services, operated by Greater Anglia, depart from London Paddington station.
Billericay to Carmarthen train services, operated by Greater Anglia, arrive at Carmarthen station.
Book your Billericay to Carmarthen train tickets online with Greater Anglia, Elizabeth Line (TfL) and 2 other operators.
The distance between Billericay and Carmarthen is 326.2 km. The road distance is 402 km.
You can take a train from Billericay to Carmarthen via Stratford, London Paddington, and Swansea in around 5h 27m.