The average bus between Great Portland Street (Station) and Watford takes 1h 35m and the fastest bus takes 1h 21m. The bus service runs several times per day from Great Portland Street (Station) to Watford. 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 5 times a day between Great Portland Street (Station) and Watford. The earliest departure is at 4:11 AM at night, and the last departure from Great Portland Street (Station) is at 5:42 AM which arrives into Watford at 7:11 AM. All services require a transfer, and take on average 1h 35m. The schedules shown below are for the next available departures.

1h 34m • 1 change

1h 37m • 1 change

1h 40m • 1 change

1h 36m • 1 change

1h 34m • 1 change

1h 37m • 1 change

1h 40m • 1 change

1h 36m • 1 change

1h 34m • 1 change

1h 21m • 1 change

1h 28m • 1 change

1h 24m • 1 change

1h 32m • 1 change

1h 25m • 1 change

1h 32m • 1 change

1h 36m • 1 change
Want to know about travelling from Great Portland Street (Station) to Watford? 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 Great Portland Street (Station) to Watford. However, there are services departing from Great Portland Street (Station) station and arriving at Watford station via Long Elmes Harrow Weald. The journey, including transfers, takes approximately 1h 35m.
Great Portland Street (Station) to Watford bus services, operated by London Buses, depart from Great Portland Street station.
Great Portland Street (Station) to Watford bus services, operated by London Buses, arrive at St Mary's Road station.
The distance between Great Portland Street (Station) and Watford is 22.7 km. The road distance is 34 km.
You can take a bus from Great Portland Street to St Mary's Road via Long Elmes Harrow Weald in around 1h 36m.