From Edinburg to Sofia (capital to capital), non stop flight (say a chatered one) would take 4 hours.
About 2,180 driving miles (40 hours) using the A3.
Scotland is 5 hours ahead of Atlanta.
air flight around 3 hours
15 hours with a direct flight.
3 hours 45 minutes
it takes 48
5 hours
12 hours Sofia to Istanbul by train
About 6 hours
There is no time difference between Scotland and England.
Istanbul Sofia driving distance 564 km
Aberdeen is on GMT, so 5 hours in winter, 6 hours in summer.