Distance From Marche Airport to St Louis Lambert International Airport, AOI - STL Distance

The distance from Marche Airport (AOI) to St Louis Lambert International Airport (STL) is 5022 miles or 8082 kilometers or 4361 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 Ancona ( Italy ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Ancona and St Louis takes around 11 hours 32 minutes.

Estimated flight time from Marche Airport, Ancona, Italy to St Louis Lambert International Airport, St Louis, United States is 11 hours 32 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 • AOI - STL

Kilometers		8082 km
Statute Miles		5022 miles
Nautical Miles		4361 nm
Avg. Time of Flight		11 hours 32 minutes

Marche Airport to St Louis Lambert International Airport Flight Route Map - AOI to STL Flight Path

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

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

Nonstop flight route between Ancona, Italy and St Louis, United States.

Time Difference Between the Airports • AOI - STL

Time difference between Ancona (Italy) and St Louis (United States) is 6 Hours.
St Louis time is 6 Hours behind Ancona.

Location	Local Time
Ancona (Italy)	2025-12-17, 08:00:25 CET
St Louis (United States)	2025-12-17, 02:00:25 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

Marche Airport (AOI / LIPY) Ancona, Italy

Destination

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