Distance From Makio Dam Heliport to Ontario International Airport

The distance from Makio Dam Heliport () to Ontario International Airport (ONT) is 5597 miles or 9008 kilometers or 4861 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 Otaki ( Japan ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Otaki and Ontario takes around 12 hours 52 minutes.

Estimated flight time from Makio Dam Heliport, Otaki, Japan to Ontario International Airport, Ontario, United States is 12 hours 52 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		9008 km
Statute Miles		5597 miles
Nautical Miles		4861 nm
Avg. Time of Flight		12 hours 52 minutes

Makio Dam Heliport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

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

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

Time Difference Between the Airports • - ONT

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

Location	Local Time
Otaki (Japan)	2026-03-21, 01:22:00 JST
Ontario (United States)	2026-03-20, 09:22:00 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

Makio Dam Heliport ( / ) Otaki, Japan

Destination

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