The average train between Llanelli and Hemel Hempstead takes 4h 52m and the fastest train takes 4h 17m. There is a train service every few hours from Llanelli to Hemel Hempstead. 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 Llanelli and Hemel Hempstead. The earliest departure is at 5:03 AM in the morning, and the last departure from Llanelli is at 11:10 PM which arrives into Hemel Hempstead at 8:30 AM. All services require a transfer at Swansea and take an average of 4h 52m. The schedules shown below are for the next available departures.



4h 17m • 3 changes


4h 17m • 3 changes


4h 29m • 3 changes


4h 20m • 3 changes


4h 17m • 3 changes


4h 17m • 3 changes


4h 29m • 3 changes


4h 20m • 3 changes


4h 17m • 3 changes


4h 17m • 3 changes


4h 29m • 3 changes


4h 20m • 3 changesWant to know about travelling from Llanelli to Hemel Hempstead? 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 Llanelli to Hemel Hempstead. However, there are services departing from Llanelli station and arriving at Hemel Hempstead station via London Paddington. The journey, including transfers, takes approximately 4h 52m.
Llanelli to Hemel Hempstead train services, operated by Transport for Wales, depart from Swansea station.
Llanelli to Hemel Hempstead train services, operated by Transport for Wales, arrive at London Paddington station.
Book your Llanelli to Hemel Hempstead train tickets online with Transport for Wales, Great Western Railway (GWR) and 2 other operators.
The distance between Llanelli and Hemel Hempstead is 255.8 km. The road distance is 360 km.
Great Western Railway (GWR) operates a train from Swansea to London Paddington hourly. Tickets cost £80–160 and the journey takes 2h 52m.