Flight Adolfo Suárez Madrid–Barajas Airport departs from Madrid Adolfo Suárez Madrid–Barajas Airport at 13:30 and arrives at Sofia Sofia Airport at 17:50.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 3009 Km. So the average speed is roughly 903 Km.
There is an 1 hour time difference between Madrid and Sofia