Flight Phuket International Airport departs from Phuket Phuket International Airport at 10:35 and arrives at Moscow Sheremetyevo International Airport at 16:45.
The flighttime is about 10h 10m. The distance travelled ("as the bird flies"): 6492 Km. So the average speed is roughly 639 Km.
There is an 4 hour time difference between Phuket and Moscow