Distance From Mayskoye Heliport to Ontario International Airport

The distance from Mayskoye Heliport () to Ontario International Airport (ONT) is 4021 miles or 6471 kilometers or 3492 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 Mayskoye ( Russia ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Mayskoye and Ontario takes around 9 hours 14 minutes.

Estimated flight time from Mayskoye Heliport, Mayskoye, Russia to Ontario International Airport, Ontario, United States is 9 hours 14 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 • - ONT

Kilometers		6471 km
Statute Miles		4021 miles
Nautical Miles		3492 nm
Avg. Time of Flight		9 hours 14 minutes

Mayskoye Heliport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Mayskoye, Russia and Ontario, United States. .

Nonstop flight route between Mayskoye, Russia and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Mayskoye (Russia) and Ontario (United States) is 20 Hours.
Ontario time is 20 Hours behind Mayskoye.

Location	Local Time
Mayskoye (Russia)	2025-12-14, 17:21:18 +12
Ontario (United States)	2025-12-13, 21:21:18 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

Mayskoye Heliport ( / ) Mayskoye, Russia

Destination

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