Flight Moscow Domodedovo Airport departs from Moscow Moscow Domodedovo Airport at 09:30 and arrives at Barcelona Barcelona–El Prat Airport at 13:10.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 4236 Km. So the average speed is roughly 908 Km.
There is an 1 hour time difference between Moscow and Barcelona