It depends on the type of traveling: Flying with an airplane is perhaps the fastest way to get to Varna and it wouldn't take more than 2-3 hrs (direct flight).
36 hours if you are fit, its about 1500 miles
That depends on where you depart.
3 hours 45 minutes
It would take about 17 hours (with no stops or traffic)
with stopover at London 6 hours
A direct flight shouldn't take more than 3-4 hrs.
20 hours
between 21 hours and 23 hours without stopping.
It takes to fly from Paris France to Beirut Lebanon, about 4 hours & 30 minutes, using MEA. Unless, you've landed in a country, before arriving to Lebanon, then this would absolutely take more time, depending on your stay in that country.
It is about a 75 minute flight between Beirut, Lebanon and Cairo, Egypt.
about 24 hours
It takes about 8 hours by plane