The average train between Chelmsford and Llanelli takes 4h 29m and the fastest train takes 4h 11m. There is a train service every few hours from Chelmsford to Llanelli. 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 Chelmsford and Llanelli. The earliest departure is at 5:41 AM in the morning, and the last departure from Chelmsford is at 9:41 PM which arrives into Llanelli at 5:31 AM. All services require a transfer at Stratford and take an average of 4h 29m. The schedules shown below are for the next available departures.



4h 20m • 3 changes



4h 18m • 3 changes



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4h 13m • 3 changes



4h 20m • 3 changes



4h 18m • 3 changes



4h 20m • 3 changes



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4h 20m • 3 changes



4h 18m • 3 changes



4h 20m • 3 changes



4h 13m • 3 changes
Want to know about travelling from Chelmsford to Llanelli? 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 Chelmsford to Llanelli. However, there are services departing from Chelmsford station and arriving at Llanelli station via Stratford (London). The journey, including transfers, takes approximately 4h 29m.
Chelmsford to Llanelli train services, operated by Greater Anglia, depart from Chelmsford station.
Chelmsford to Llanelli train services, operated by Greater Anglia, arrive at Swansea station.
Book your Chelmsford to Llanelli train tickets online with Greater Anglia, Elizabeth Line (TfL) and 2 other operators.
The distance between Chelmsford and Llanelli is 319.1 km. The road distance is 378 km.
You can take a train from Chelmsford to Llanelli via Stratford, London Paddington, and Swansea in around 4h 59m.