Distance From Ostrava Leos Janáček Airport to St Louis Lambert International Airport, OSR - STL Distance

The distance from Ostrava Leos Janáček Airport (OSR) to St Louis Lambert International Airport (STL) is 4940 miles or 7950 kilometers or 4290 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 Ostrava ( Czech Republic ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Ostrava and St Louis takes around 11 hours 21 minutes.

Estimated flight time from Ostrava Leos Janáček Airport, Ostrava, Czech Republic to St Louis Lambert International Airport, St Louis, United States is 11 hours 21 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 • OSR - STL

Kilometers		7950 km
Statute Miles		4940 miles
Nautical Miles		4290 nm
Avg. Time of Flight		11 hours 21 minutes

Ostrava Leos Janáček Airport to St Louis Lambert International Airport Flight Route Map - OSR to STL Flight Path

Location of Ostrava Leos Janáček Airport & St Louis Lambert International Airport is given below.
Click the map to view Ostrava to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Ostrava, Czech Republic and St Louis, United States. .

Nonstop flight route between Ostrava, Czech Republic and St Louis, United States.

Time Difference Between the Airports • OSR - STL

Time difference between Ostrava (Czech Republic) and St Louis (United States) is 6 Hours.
St Louis time is 6 Hours behind Ostrava.

Location	Local Time
Ostrava (Czech Republic)	2026-02-06, 13:35:54 CET
St Louis (United States)	2026-02-06, 07:35:54 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

Ostrava Leos Janáček Airport (OSR / LKMT) Ostrava, Czech Republic

Destination

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