Distance From Yangyang International Airport to St Louis Lambert International Airport, YNY - STL Distance

The distance from Yangyang International Airport (YNY) to St Louis Lambert International Airport (STL) is 6580 miles or 10589 kilometers or 5714 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Gonghang-ro ( South Korea ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Gonghang-ro and St Louis takes around 15 hours 7 minutes.

Estimated flight time from Yangyang International Airport, Gonghang-ro, South Korea to St Louis Lambert International Airport, St Louis, United States is 15 hours 7 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • YNY - STL

Kilometers		10589 km
Statute Miles		6580 miles
Nautical Miles		5714 nm
Avg. Time of Flight		15 hours 7 minutes

Yangyang International Airport to St Louis Lambert International Airport Flight Route Map - YNY to STL Flight Path

Location of Yangyang International Airport & St Louis Lambert International Airport is given below.
Click the map to view Gonghang-ro to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Gonghang-ro, South Korea and St Louis, United States. .

Nonstop flight route between Gonghang-ro, South Korea and St Louis, United States.

Time Difference Between the Airports • YNY - STL

Time difference between Gonghang-ro (South Korea) and St Louis (United States) is 13 Hours.
St Louis time is 13 Hours behind Gonghang-ro.

Location	Local Time
Gonghang-ro (South Korea)	2026-05-04, 18:11:15 KST
St Louis (United States)	2026-05-04, 05:11:15 EDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Yangyang International Airport (YNY / RKNY) Gonghang-ro, South Korea

Destination

St Louis Lambert International Airport (STL / KSTL) St Louis, United States