The average train between Harpenden and One Canada Square takes 47 min and the fastest train takes 43 min. The train runs at least 3 times per hour from Harpenden to One Canada Square. 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 20 minutes between Harpenden and One Canada Square. The earliest departure is at 8:22 AM in the morning, and the last departure from Harpenden is at 7:22 PM which arrives into One Canada Square at 8:06 PM. All services require a transfer at Farringdon and take an average of 47 min. The schedules shown below are for the next available departures.

44 min • 1 change

45 min • 1 change

46 min • 1 change

54 min • 1 change
Want to know about travelling from Harpenden to One Canada Square? 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 One Canada Square. However, there are services departing from Harpenden station and arriving at One Canada Square station via Farringdon. The journey, including transfers, takes approximately 47 min.
Harpenden to One Canada Square train services, operated by Thameslink, depart from Harpenden station.
Harpenden to One Canada Square train services, operated by Thameslink, arrive at Canary Wharf station.
Book your Harpenden to One Canada Square train tickets online with Thameslink and Elizabeth Line (TfL).
The distance between Harpenden and One Canada Square is 41.8 km. The road distance is 48 km.
You can take a train from Harpenden to One Canada Square via Farringdon, Farringdon Without, and Canary Wharf in around 47 min.