Distance From St Louis Regional Airport to Jorge Newbery Airpark, ALN - AEP Distance

The distance from St Louis Regional Airport (ALN) to Jorge Newbery Airpark (AEP) is 5463 miles or 8792 kilometers or 4744 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 Alton/St Louis ( United States ) to Buenos Aires ( Argentina )?

A one-way nonstop (direct) flight between Alton/St Louis and Buenos Aires takes around 12 hours 33 minutes.

Estimated flight time from St Louis Regional Airport, Alton/St Louis, United States to Jorge Newbery Airpark, Buenos Aires, Argentina is 12 hours 33 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 • ALN - AEP

Kilometers		8792 km
Statute Miles		5463 miles
Nautical Miles		4744 nm
Avg. Time of Flight		12 hours 33 minutes

St Louis Regional Airport to Jorge Newbery Airpark Flight Route Map - ALN to AEP Flight Path

Location of St Louis Regional Airport & Jorge Newbery Airpark is given below.
Click the map to view Alton/St Louis to Buenos Aires nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton/St Louis, United States and Buenos Aires, Argentina. .

Nonstop flight route between Alton/St Louis, United States and Buenos Aires, Argentina.

Time Difference Between the Airports • ALN - AEP

Time difference between Alton/St Louis (United States) and Buenos Aires (Argentina) is 2 Hours.
Buenos Aires time is 2 Hours ahead of Alton/St Louis.

Location	Local Time
Alton/St Louis (United States)	2025-12-16, 07:44:07 EST
Buenos Aires (Argentina)	2025-12-16, 09:44:07 -03

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

St Louis Regional Airport (ALN / KALN) Alton/St Louis, United States

Destination

Jorge Newbery Airpark (AEP / SABE) Buenos Aires, Argentina