Distance From Belgrade Nikola Tesla Airport to Ontario International Airport, BEG - ONT Distance

The distance from Belgrade Nikola Tesla Airport (BEG) to Ontario International Airport (ONT) is 6383 miles or 10271 kilometers or 5543 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 Belgrade ( Serbia ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Belgrade and Ontario takes around 14 hours 40 minutes.

Estimated flight time from Belgrade Nikola Tesla Airport, Belgrade, Serbia to Ontario International Airport, Ontario, United States is 14 hours 40 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 • BEG - ONT

Kilometers		10271 km
Statute Miles		6383 miles
Nautical Miles		5543 nm
Avg. Time of Flight		14 hours 40 minutes

Belgrade Nikola Tesla Airport to Ontario International Airport Flight Route Map - BEG to ONT Flight Path

Location of Belgrade Nikola Tesla Airport & Ontario International Airport is given below.
Click the map to view Belgrade to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Belgrade, Serbia and Ontario, United States. .

Nonstop flight route between Belgrade, Serbia and Ontario, United States.

Time Difference Between the Airports • BEG - ONT

Time difference between Belgrade (Serbia) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Belgrade.

Location	Local Time
Belgrade (Serbia)	2025-12-16, 16:27:12 CET
Ontario (United States)	2025-12-16, 07:27:12 PST

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

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

Destination

Ontario International Airport (ONT / KONT) Ontario, United States