Distance From St Louis Regional Airport to Belgrade Nikola Tesla Airport, ALN - BEG Distance

The distance from St Louis Regional Airport (ALN) to Belgrade Nikola Tesla Airport (BEG) is 5216 miles or 8395 kilometers or 4530 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 Belgrade ( Serbia )?

A one-way nonstop (direct) flight between Alton/St Louis and Belgrade takes around 11 hours 59 minutes.

Estimated flight time from St Louis Regional Airport, Alton/St Louis, United States to Belgrade Nikola Tesla Airport, Belgrade, Serbia is 11 hours 59 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 - BEG

Kilometers		8395 km
Statute Miles		5216 miles
Nautical Miles		4530 nm
Avg. Time of Flight		11 hours 59 minutes

St Louis Regional Airport to Belgrade Nikola Tesla Airport Flight Route Map - ALN to BEG Flight Path

Location of St Louis Regional Airport & Belgrade Nikola Tesla Airport is given below.
Click the map to view Alton/St Louis to Belgrade nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton/St Louis, United States and Belgrade, Serbia. .

Nonstop flight route between Alton/St Louis, United States and Belgrade, Serbia.

Time Difference Between the Airports • ALN - BEG

Time difference between Alton/St Louis (United States) and Belgrade (Serbia) is 6 Hours.
Belgrade time is 6 Hours ahead of Alton/St Louis.

Location	Local Time
Alton/St Louis (United States)	2025-12-05, 01:47:31 EST
Belgrade (Serbia)	2025-12-05, 07:47:31 CET

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

Belgrade Nikola Tesla Airport (BEG / LYBE) Belgrade, Serbia