Flight Kalimarau Airport departs from Berau Kalimarau Airport at 12:50 and arrives at Surabaya Juanda International Airport at 13:45.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 709 Km. So the average speed is roughly 370 Km.
There is an 1 hour time difference between Berau and Surabaya