Seoul is in South Korea. If you plan to go there from Boston... if direct it might be about 15-16 hours. When I flew from Boston I had two connections. My total trip time was 22 hours including layovers and changes.
about 16 1/2 hours
The flight from DFW International to JFK is approximately 3 hours 16 minutes.
how long is a flight from jfk to trinidad
4 hours
The flight time is 5 hours, 10 minutes.
It's about 24 miles
Around 3 hours.
The flight time is approximately 5 hours, 10 minutes.
show flight path from jfk to geneva
3 hours 10 minutes
9 hours
about 8 hours ; so get comfortable
Paris to Newark (JFK) is 6Hours or so.