The average train between Treforest and Derby takes 3h 23m and the fastest train takes 3h 15m. There is a train service every few hours from Treforest to Derby. 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 Treforest and Derby. The earliest departure is at 6:06 AM in the morning, and the last departure from Treforest is at 7:16 PM which arrives into Derby at 10:50 PM. All services require a transfer, and take on average 3h 23m. The schedules shown below are for the next available departures.

3h 24m • 1 change

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3h 31m • 1 change

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Want to know about travelling from Treforest to Derby? 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 Treforest to Derby. However, there are services departing from Treforest station and arriving at Derby station via Derby. The journey, including transfers, takes approximately 3h 23m.
Treforest to Derby train services, operated by Transport for Wales, depart from Cardiff Central station.
Treforest to Derby train services, operated by Transport for Wales, arrive at Derby station.
Book your Treforest to Derby train tickets online with Transport for Wales and Cross Country.
The distance between Treforest and Derby is 194.1 km. The road distance is 258 km.
Cross Country operates a train from Cardiff Central to Derby every 2 hours. Tickets cost £75–120 and the journey takes 2h 45m.