Find a flights booking website and find the take off/arrival times for flights going between the two places. Simples.
how long does it take to fly from osan korea to philadelphia
maybe about five hours
5 hours
It would take 5 hours to fly.
Pittsburgh - Bucharest: ca. 17 hours
It is about 6 or more hours to fly to Mexico
5 hours
tow hrs
About 10 hours. I'd fly if I were you.
About 2 hours.
1h 10m
20 years