Flight Macau International Airport departs from Macau Macau International Airport at 08:05 and arrives at Changzhou Changzhou Airport at 10:40.
The flighttime is about 10h 35m. The distance travelled ("as the bird flies"): 842 Km. So the average speed is roughly 80 Km.
There is an 8 hour time difference between Macau and Changzhou