The average train between Gatwick and Llanelli takes 4h 50m and the fastest train takes 4h 23m. There is a train service every few hours from Gatwick 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 Gatwick and Llanelli. The earliest departure is at 5:11 AM in the morning, and the last departure from Gatwick is at 10:01 PM which arrives into Llanelli at 5:31 AM. All services require a transfer at Reading and take an average of 4h 50m. The schedules shown below are for the next available departures.


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4h 53m • 2 changesWant to know about travelling from Gatwick 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 Gatwick to Llanelli. However, there are services departing from Gatwick Airport station and arriving at Swansea station via Reading station. The journey, including transfers, takes approximately 4h 50m.
Gatwick to Llanelli train services, operated by Great Western Railway (GWR), depart from Gatwick Airport station.
Gatwick to Llanelli train services, operated by Great Western Railway (GWR), arrive at Swansea station.
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The distance between Gatwick and Llanelli is 281.7 km. The road distance is 335 km.
You can take a train from Gatwick Airport to Llanelli via Reading and Swansea in around 5h 3m.