The average train between Hemel Hempstead and Swansea takes 4h 10m and the fastest train takes 3h 36m. There is a train service every few hours from Hemel Hempstead to Swansea. 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 Hemel Hempstead and Swansea. The earliest departure is at 5:38 AM in the morning, and the last departure from Hemel Hempstead is at 11:05 PM which arrives into Swansea at 9:02 AM. All services require a transfer at Harrow & Wealdstone and take an average of 4h 10m. The schedules shown below are for the next available departures.


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3h 58m • 2 changesWant to know about travelling from Hemel Hempstead to Swansea? 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 Hemel Hempstead to Swansea. However, there are services departing from London Paddington station and arriving at Swansea station via Swansea station. The journey, including transfers, takes approximately 4h 10m.
Hemel Hempstead to Swansea train services, operated by Great Western Railway (GWR), depart from London Paddington station.
Hemel Hempstead to Swansea train services, operated by Great Western Railway (GWR), arrive at Swansea station.
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The distance between Hemel Hempstead and Swansea is 241.3 km. The road distance is 282 km.
Great Western Railway (GWR) operates a train from London Paddington to Swansea hourly. Tickets cost £75–150 and the journey takes 2h 49m.