Distance From NHO Okayama Medical Center Heliport to Ontario International Airport

The distance from NHO Okayama Medical Center Heliport () to Ontario International Airport (ONT) is 5811 miles or 9352 kilometers or 5046 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 Okayama ( Japan ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Okayama and Ontario takes around 13 hours 21 minutes.

Estimated flight time from NHO Okayama Medical Center Heliport, Okayama, Japan to Ontario International Airport, Ontario, United States is 13 hours 21 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		9352 km
Statute Miles		5811 miles
Nautical Miles		5046 nm
Avg. Time of Flight		13 hours 21 minutes

NHO Okayama Medical Center Heliport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Okayama, Japan and Ontario, United States. .

Nonstop flight route between Okayama, Japan and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Okayama (Japan) and Ontario (United States) is 16 Hours.
Ontario time is 16 Hours behind Okayama.

Location	Local Time
Okayama (Japan)	2026-03-21, 13:03:16 JST
Ontario (United States)	2026-03-20, 21:03:16 PDT

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

NHO Okayama Medical Center Heliport ( / ) Okayama, Japan

Destination

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