This page displays the approximate flight duration time for a non-stop flight. The actual travel time may differ depending on the type and speed of the aircraft. Also note that the calculated distance between the two cities of Seoul and Detroit is the direct air distance (distance as the crow flies). Traveling on land involves larger distances.
Time difference between Seoul and Detroit
South Korea and USA air distance
Air distance from Seoul to cities near Detroit:
latitude: 37° 35' North
longitude: 127° 03' East
latitude: 42° 23' North
longitude: 83° 05' West