it ='s 52
Usually you will fly with a stopover. A flight to Miami takes 8 hours, but is usually cut short with 50 minutes to an hour if the weather
Appox. 748 miles from London to Prague. Source - http://www.europe.org/drivingdistances.html
Took me 6 hours to Luxor in Egypt, which is North Africa but 9 hours to Jo'berg which is South Africa both from London airports. The time should depend on from where you are flying.
from Tokyo to just inside the east border of china, it is about 750 miles