The average train between London and Blaenrhondda takes 3h 29m and the fastest train takes 3h 14m. There is an hourly train service from London to Blaenrhondda. 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 London and Blaenrhondda. The earliest departure is at 5:23 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Blaenrhondda at 7:33 AM. All services require a transfer, and take on average 3h 29m. The schedules shown below are for the next available departures.

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3h 15m • 1 changeWant to know about travelling from London to Blaenrhondda? 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 London to Blaenrhondda. However, there are services departing from London Paddington station and arriving at Treherbert station via Cardiff Central station. The journey, including transfers, takes approximately 3h 29m.
London to Blaenrhondda train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Blaenrhondda train services, operated by Transport for Wales, arrive at Treherbert station.
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The distance between London and Blaenrhondda is 237.4 km. The road distance is 271 km.
You can take a train from London Paddington to Treherbert via Cardiff Central in around 3h 26m.