The average bus between Croydon and Harrow takes 2h 57m and the fastest bus takes 2h 6m. The bus runs at least 3 times per hour from Croydon 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 20 minutes between Croydon and Harrow. The earliest departure is at 4:30 AM at night, and the last departure from Croydon is at 3:51 PM which arrives into Harrow at 7:27 PM. All services require a transfer, and take on average 2h 57m. The schedules shown below are for the next available departures.

2h 25m • 1 change

2h 29m • 1 change

2h 40m • 1 change

2h 39m • 1 change
Want to know about travelling from Croydon 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 Croydon to Harrow. However, there are services departing from Croydon station and arriving at Harrow station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 2h 57m.
Croydon to Harrow bus services, operated by Metrobus, depart from West Croydon Bus Station.
Croydon to Harrow bus services, operated by Metrobus, arrive at Harrow Bus Station.
The distance between Croydon and Harrow is 27.5 km. The road distance is 56 km.
You can take a bus from West Croydon Bus Station to Harrow Bus Station via Heathrow Central Bus Station in around 3h.