The average train between Diss and Cardiff takes 4h 28m and the fastest train takes 3h 45m. There is a train service every few hours from Diss to Cardiff. 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 Diss and Cardiff. The earliest departure is at 5:47 AM in the morning, and the last departure from Diss is at 10:19 PM which arrives into Cardiff at 8:06 AM. All services require a transfer at Stratford and take an average of 4h 28m. The schedules shown below are for the next available departures.


4h 20m • 2 changes


4h 20m • 2 changes


3h 49m • 2 changes


3h 53m • 2 changes


3h 49m • 2 changes


3h 54m • 2 changes


3h 50m • 2 changes


3h 49m • 2 changes


3h 49m • 2 changes


3h 54m • 2 changes


3h 50m • 2 changes


3h 49m • 2 changes
Want to know about travelling from Diss to Cardiff? 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 Diss to Cardiff. However, there are services departing from Diss station and arriving at Cardiff station via Stratford (London). The journey, including transfers, takes approximately 4h 28m.
Diss to Cardiff train services, operated by Greater Anglia, depart from Diss station.
Diss to Cardiff train services, operated by Greater Anglia, arrive at Cardiff Central station.
Book your Diss to Cardiff train tickets online with Greater Anglia, Elizabeth Line (TfL) and Great Western Railway (GWR).
The distance between Diss and Cardiff is 310.5 km. The road distance is 392 km.
You can take a train from Diss to Cardiff Central via Stratford and London Paddington in around 4h 30m.