Flight Haneda Airport departs from Tokyo Haneda Airport at 07:50 and arrives at Miyazaki Miyazaki Bougainvillea Airport at 09:35.
The flighttime is about 10h 45m. The distance travelled ("as the bird flies"): 969 Km. So the average speed is roughly 90 Km.
There is an 9 hour time difference between Tokyo and Miyazaki