The average train between Cardiff and Harwich takes 4h 51m and the fastest train takes 3h 31m. There is a train service every few hours from Cardiff to Harwich. 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 Cardiff and Harwich. The earliest departure is at 5:54 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Harwich at 7:58 AM. All services require a transfer at London Paddington and take an average of 4h 51m. The schedules shown below are for the next available departures.



4h 32m • 3 changes



4h 32m • 3 changes



5h • 3 changes



4h 5m • 3 changes



4h 2m • 3 changes



4h 34m • 3 changes



4h 32m • 3 changes



4h 31m • 3 changes



3h 50m • 3 changes



3h 31m • 3 changes



3h 31m • 3 changes



3h 31m • 3 changes



4h 28m • 3 changes



4h 30m • 3 changes



4h 32m • 3 changes



4h 43m • 3 changes
Want to know about travelling from Cardiff to Harwich? 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 Cardiff to Harwich. However, there are services departing from Cardiff station and arriving at Harwich station via London Paddington. The journey, including transfers, takes approximately 4h 51m.
Cardiff to Harwich train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Harwich train services, operated by Great Western Railway (GWR), arrive at Manningtree station.
Book your Cardiff to Harwich train tickets online with Great Western Railway (GWR), Elizabeth Line (TfL) and Greater Anglia.
The distance between Cardiff and Harwich is 311.8 km. The road distance is 353 km.
You can take a train from Cardiff Central to Harwich Town via London Paddington, Stratford (London), and Manningtree in around 4h 48m.