The average bus between Cambridge and Harwell takes 6h 32m and the fastest bus takes 5h 27m. The bus service runs several times per day from Cambridge to Harwell. 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 4 hours between Cambridge and Harwell. The earliest departure is at 1:35 AM at night, and the last departure from Cambridge is at 6:15 PM which arrives into Harwell at 6:28 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 6h 32m. The schedules shown below are for the next available departures.



5h 45m • 3 changes



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6h 19m • 3 changes



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5h 49m • 3 changes
Want to know about travelling from Cambridge to Harwell? 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 Cambridge to Harwell. However, there are services departing from Cambridge station and arriving at Harwell station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 6h 32m.
Cambridge to Harwell bus services, operated by National Express, depart from Parkside station.
Cambridge to Harwell bus services, operated by National Express, arrive at Queens Lane station.
The distance between Cambridge and Harwell is 117.4 km. The road distance is 243 km.
You can take a bus from Parkside to High Street via Heathrow Central Bus Station, Queens Lane, and Parkway Station in around 5h 19m.