Distance From Oki Global Geopark Airport to Buffalo Niagara International Airport, OKI - BUF Distance

The distance from Oki Global Geopark Airport (OKI) to Buffalo Niagara International Airport (BUF) is 6610 miles or 10637 kilometers or 5740 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 Okinoshima ( Japan ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Okinoshima and Buffalo takes around 15 hours 11 minutes.

Estimated flight time from Oki Global Geopark Airport, Okinoshima, Japan to Buffalo Niagara International Airport, Buffalo, United States is 15 hours 11 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 • OKI - BUF

Kilometers		10637 km
Statute Miles		6610 miles
Nautical Miles		5740 nm
Avg. Time of Flight		15 hours 11 minutes

Oki Global Geopark Airport to Buffalo Niagara International Airport Flight Route Map - OKI to BUF Flight Path

Location of Oki Global Geopark Airport & Buffalo Niagara International Airport is given below.
Click the map to view Okinoshima to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between Okinoshima, Japan and Buffalo, United States. .

Nonstop flight route between Okinoshima, Japan and Buffalo, United States.

Time Difference Between the Airports • OKI - BUF

Time difference between Okinoshima (Japan) and Buffalo (United States) is 13 Hours.
Buffalo time is 13 Hours behind Okinoshima.

Location	Local Time
Okinoshima (Japan)	2026-04-02, 08:53:55 JST
Buffalo (United States)	2026-04-01, 19:53:55 EDT

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

Oki Global Geopark Airport (OKI / RJNO) Okinoshima, Japan

Destination

Buffalo Niagara International Airport (BUF / KBUF) Buffalo, United States