The average bus between Harrow and Didcot takes 3h 51m and the fastest bus takes 3h 22m. The bus service runs several times per day from Harrow 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.
Buses run 4 times a day between Harrow and Didcot. The earliest departure is at 1:07 AM at night, and the last departure from Harrow is at 5:08 AM which arrives into Didcot at 9:04 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 3h 51m. The schedules shown below are for the next available departures.


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3h 26m • 2 changes
Want to know about travelling from Harrow 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 bus from Harrow to Didcot. However, there are services departing from Harrow station and arriving at Didcot station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 3h 51m.
Harrow to Didcot bus services, operated by Metroline Travel, depart from Harrow Bus Station.
Harrow to Didcot bus services, operated by Metroline Travel, arrive at Reading RailAir station.
Book your Harrow to Didcot bus tickets online with Metroline Travel, Oxford Bus Company and Thames Travel.
The distance between Harrow and Didcot is 62.6 km. The road distance is 95 km.
You can take a bus from Harrow Bus Station to Didcot Parkway via Heathrow Central Bus Station, Heathrow Terminal 2, Reading RailAir, and Reading in around 2h 20m.