The average bus between The O2 Arena and St Mary Cray takes 1h 30m and the fastest bus takes 52 min. The bus runs at least 4 times per hour from The O2 Arena to St Mary Cray. 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 15 minutes between The O2 Arena and St Mary Cray. The earliest departure is at 6:05 AM in the morning, and the last departure from The O2 Arena is at 4:25 PM which arrives into St Mary Cray at 6:17 PM. All services require a transfer at North Greenwich Station and take an average of 1h 30m. The schedules shown below are for the next available departures.

1h 23m • 1 change

1h 21m • 1 change

1h 33m • 1 change

1h 35m • 1 change
Want to know about travelling from The O2 Arena to St Mary Cray? 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 The O2 Arena to St Mary Cray. However, there are services departing from The O2 Arena station and arriving at St Mary Cray station via Woolwich Arsenal Station station. The journey, including transfers, takes approximately 1h 30m.
The O2 Arena to St Mary Cray bus services, operated by Stagecoach London, depart from North Greenwich Station.
The O2 Arena to St Mary Cray bus services, operated by Stagecoach London, arrive at Station Approach / St Mary Cray.
The distance between The O2 Arena and St Mary Cray is 14.2 km. The road distance is 22 km.
You can take a vehicle from The O2 Arena to Station Approach / St Mary Cray via North Greenwich Station, Woolwich Arsenal Station, and Vincent Road /Woolwich Arsenal in around 1h 30m.