The average train between Harpenden and Didcot takes 1h 36m and the fastest train takes 1h 28m. The train runs at least 2 times per hour from Harpenden to Didcot. 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 every 30 minutes between Harpenden and Didcot. The earliest departure is at 5:17 AM in the morning, and the last departure from Harpenden is at 11:20 PM which arrives into Didcot at 1:35 AM. All services require a transfer at Farringdon and take an average of 1h 36m. The schedules shown below are for the next available departures.


1h 28m • 2 changes


1h 36m • 2 changes


1h 32m • 2 changes


1h 33m • 2 changes
Want to know about travelling from Harpenden to Didcot? 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 Harpenden to Didcot. However, there are services departing from Harpenden station and arriving at Didcot station via Farringdon. The journey, including transfers, takes approximately 1h 36m.
Harpenden to Didcot train services, operated by Thameslink, depart from Harpenden station.
Harpenden to Didcot train services, operated by Thameslink, arrive at Didcot Parkway station.
Book your Harpenden to Didcot train tickets online with Thameslink, Elizabeth Line (TfL) and Great Western Railway (GWR).
The distance between Harpenden and Didcot is 65.2 km. The road distance is 132 km.
You can take a train from Harpenden to Didcot Parkway via Farringdon, Farringdon Without, and London Paddington in around 1h 33m.