The average train between Grays and Thetford takes 2h 25m and the fastest train takes 2h. There is an hourly train service from Grays to Thetford. 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 Grays and Thetford. The earliest departure is at 5:29 AM in the morning, and the last departure from Grays is at 11:35 PM which arrives into Thetford at 7:30 AM. All services require a transfer at London St Pancras International and take an average of 2h 25m. The schedules shown below are for the next available departures.


2h 14m • 2 changesArrives next day


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2h 17m • 2 changesWant to know about travelling from Grays to Thetford? 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 Grays to Thetford. However, there are services departing from Grays station and arriving at Thetford station via Ely. The journey, including transfers, takes approximately 2h 25m.
Grays to Thetford train services, operated by Southeastern, depart from King's Cross station.
Grays to Thetford train services, operated by Southeastern, arrive at Thetford station.
Book your Grays to Thetford train tickets online with Southeastern, Great Northern and 2 other operators.
The distance between Grays and Thetford is 108.6 km. The road distance is 187 km.
You can take a train from Ebbsfleet International to Thetford via London St Pancras International, King's Cross, and Ely in around 2h 34m.