Distance From Shonai Airport to Ontario International Airport, SYO - ONT Distance

The distance from Shonai Airport (SYO) to Ontario International Airport (ONT) is 5381 miles or 8659 kilometers or 4673 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 Shonai ( Japan ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Shonai and Ontario takes around 12 hours 22 minutes.

Estimated flight time from Shonai Airport, Shonai, Japan to Ontario International Airport, Ontario, United States is 12 hours 22 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 • SYO - ONT

Kilometers		8659 km
Statute Miles		5381 miles
Nautical Miles		4673 nm
Avg. Time of Flight		12 hours 22 minutes

Shonai Airport to Ontario International Airport Flight Route Map - SYO to ONT Flight Path

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

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

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

Time Difference Between the Airports • SYO - ONT

Time difference between Shonai (Japan) and Ontario (United States) is 17 Hours.
Ontario time is 17 Hours behind Shonai.

Location	Local Time
Shonai (Japan)	2025-01-03, 21:15:04 JST
Ontario (United States)	2025-01-03, 04:15:04 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

Shonai Airport (SYO / RJSY) Shonai, Japan

Destination

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