Flight Narita International Airport departs from Tokyo Narita International Airport at 11:55 and arrives at Madrid Adolfo Suárez Madrid–Barajas Airport at 19:45.
The flighttime is about 15h 50m. The distance travelled ("as the bird flies"): 15978 Km. So the average speed is roughly 1009 Km.
There is an 8 hour time difference between Tokyo and Madrid