The average bus between Kings Cross and Royal Observatory takes 1h 5m and the fastest bus takes 44 min. The bus runs at least 6 times per hour from Kings Cross to Royal Observatory. 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 10 minutes between Kings Cross and Royal Observatory. The earliest departure is at 3:36 PM in the afternoon, and the last departure from Kings Cross is at 11:24 PM which arrives into Royal Observatory at 12:22 AM. All services require a transfer at Elephant & Castle / New Kent Road and take an average of 1h 5m. The schedules shown below are for the next available departures.

1h 26m • 1 change

1h 27m • 1 change

1h 20m • 1 change

1h 20m • 1 change
Want to know about travelling from Kings Cross to Royal Observatory? 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 Kings Cross to Royal Observatory. However, there are services departing from Kings Cross station and arriving at Royal Observatory station via Elephant & Castle / New Kent Road. The journey, including transfers, takes approximately 1h 5m.
Kings Cross to Royal Observatory bus services, operated by Abellio London, depart from King's Cross St. Pancras station.
Kings Cross to Royal Observatory bus services, operated by Abellio London, arrive at Greenwich Park station.
The distance between Kings Cross and Royal Observatory is 10.1 km. The road distance is 15 km.
You can take a bus from King's Cross St. Pancras station to Royal Observatory via Elephant & Castle / New Kent Road and Greenwich Park in around 1h 8m.