Distance From Big Sky Field to Yokota Air Base

The distance from Big Sky Field () to Yokota Air Base (OKO) is 5435 miles or 8747 kilometers or 4720 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 Culbertson ( United States ) to Fussa ( Japan )?

A one-way nonstop (direct) flight between Culbertson and Fussa takes around 12 hours 29 minutes.

Estimated flight time from Big Sky Field, Culbertson, United States to Yokota Air Base, Fussa, Japan is 12 hours 29 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 • - OKO

Kilometers		8747 km
Statute Miles		5435 miles
Nautical Miles		4720 nm
Avg. Time of Flight		12 hours 29 minutes

Big Sky Field to Yokota Air Base Flight Route Map - to OKO Flight Path

Location of Big Sky Field & Yokota Air Base is given below.
Click the map to view Culbertson to Fussa nonstop flight path and travel direction.

Click to see flight route on Google Map between Culbertson, United States and Fussa, Japan. .

Nonstop flight route between Culbertson, United States and Fussa, Japan.

Time Difference Between the Airports • - OKO

Time difference between Culbertson (United States) and Fussa (Japan) is 14 Hours.
Fussa time is 14 Hours ahead of Culbertson.

Location	Local Time
Culbertson (United States)	2026-05-04, 20:26:36 CDT
Fussa (Japan)	2026-05-05, 10:26:36 JST

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

Big Sky Field ( / KS85) Culbertson, United States

Destination

Yokota Air Base (OKO / RJTY) Fussa, Japan