Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 20:40 and arrives at Mumbai Chhatrapati Shivaji International Airport at 03:10.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 2925 Km. So the average speed is roughly 731 Km.
There is an 2.5 hour time difference between Riyadh and Mumbai