Distance From Kochi Ryoma Airport to St Louis Lambert International Airport, KCZ - STL Distance

The distance from Kochi Ryoma Airport (KCZ) to St Louis Lambert International Airport (STL) is 6700 miles or 10783 kilometers or 5819 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 Nankoku ( Japan ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Nankoku and St Louis takes around 15 hours 24 minutes.

Estimated flight time from Kochi Ryoma Airport, Nankoku, Japan to St Louis Lambert International Airport, St Louis, United States is 15 hours 24 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 • KCZ - STL

Kilometers		10783 km
Statute Miles		6700 miles
Nautical Miles		5819 nm
Avg. Time of Flight		15 hours 24 minutes

Kochi Ryoma Airport to St Louis Lambert International Airport Flight Route Map - KCZ to STL Flight Path

Location of Kochi Ryoma Airport & St Louis Lambert International Airport is given below.
Click the map to view Nankoku to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Nankoku, Japan and St Louis, United States. .

Nonstop flight route between Nankoku, Japan and St Louis, United States.

Time Difference Between the Airports • KCZ - STL

Time difference between Nankoku (Japan) and St Louis (United States) is 14 Hours.
St Louis time is 14 Hours behind Nankoku.

Location	Local Time
Nankoku (Japan)	2025-12-17, 00:00:14 JST
St Louis (United States)	2025-12-16, 10:00:14 EST

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

Kochi Ryoma Airport (KCZ / RJOK) Nankoku, Japan

Destination

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