The average train between Harpenden and Bletchley Park takes 1h 20m and the fastest train takes 1h 7m. The train runs at least 2 times per hour from Harpenden to Bletchley Park. 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 Bletchley Park. The earliest departure is at 12:12 AM at night, and the last departure from Harpenden is at 11:42 PM which arrives into Bletchley Park at 1:39 AM. All services require a transfer at London St Pancras Intl and take an average of 1h 20m. The schedules shown below are for the next available departures.

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1h 30m • 1 changeWant to know about travelling from Harpenden to Bletchley Park? 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 Bletchley Park. However, there are services departing from Harpenden station and arriving at Bletchley station via London St Pancras Intl station. The journey, including transfers, takes approximately 1h 20m.
Harpenden to Bletchley Park train services, operated by Thameslink, depart from Harpenden station.
Harpenden to Bletchley Park train services, operated by West Midlands Trains, arrive at Bletchley station.
Book your Harpenden to Bletchley Park train tickets online with Omio.
The distance between Harpenden and Bletchley Park is 33.1 km. The road distance is 39 km.
You can take a train from Harpenden to Bletchley Park via London St Pancras Intl, London Euston, and Bletchley in around 1h 56m.