The average bus between Harpenden and Harrow takes 1h 59m and the fastest bus takes 1h 22m. The bus runs at least 2 times per hour from Harpenden to Harrow. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Harpenden and Harrow. The earliest departure is at 4:41 AM at night, and the last departure from Harpenden is at 11:21 PM which arrives into Harrow at 5:54 AM. All services require a transfer, and take on average 1h 59m. The schedules shown below are for the next available departures.

1h 36m • 1 change

1h 37m • 1 change

1h 43m • 1 change

1h 58m • 1 change
Want to know about travelling from Harpenden to Harrow? 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 bus from Harpenden to Harrow. However, there are services departing from Harpenden station and arriving at Harrow station via Watford Junction station station. The journey, including transfers, takes approximately 1h 59m.
Harpenden to Harrow bus services, operated by Arriva UK, depart from Old Cock Inn station.
Harpenden to Harrow bus services, operated by Arriva UK, arrive at Harrow Town Cen / St John's Rd station.
The distance between Harpenden and Harrow is 26.2 km. The road distance is 35 km.
You can take a bus from Old Cock Inn to Harrow Town Cen / St John's Rd via Watford Junction station in around 1h 53m.