Because of the speed that the plane flies.
Eastbourne doesn't have an airport - the nearest is Gatwick, so you would have to fly from Edinburgh to Gatwick and take a train from Gatwick to Eastbourne.
6 hours
10 hours
2 hours
4 hours and a half
About 10 hours
It will take about 5 hours.
To fly from Gatwick to Florence takes approximately 2 hours. The whole trip both ways takes about 5 hours, depending on connecting flights. It is 732 miles from Gatwick to Florence.
Approx. 4 hours Approx. 4 hours
Direct flights take 12-13 hours to reach Cancun from Gatwick.
8 hours
About 3 hours.