Distance From Willow Spring Helispot to Yokota Air Base

The distance from Willow Spring Helispot () to Yokota Air Base (OKO) is 5912 miles or 9513 kilometers or 5134 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 Alpine ( United States ) to Fussa ( Japan )?

A one-way nonstop (direct) flight between Alpine and Fussa takes around 13 hours 35 minutes.

Estimated flight time from Willow Spring Helispot, Alpine, United States to Yokota Air Base, Fussa, Japan is 13 hours 35 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		9513 km
Statute Miles		5912 miles
Nautical Miles		5134 nm
Avg. Time of Flight		13 hours 35 minutes

Willow Spring Helispot to Yokota Air Base Flight Route Map - to OKO Flight Path

Location of Willow Spring Helispot & Yokota Air Base is given below.
Click the map to view Alpine to Fussa nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - OKO

Time difference between Alpine (United States) and Fussa (Japan) is 16 Hours.
Fussa time is 16 Hours ahead of Alpine.

Location	Local Time
Alpine (United States)	2026-06-23, 03:41:19 MST
Fussa (Japan)	2026-06-23, 19:41:19 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

Willow Spring Helispot ( / ) Alpine, United States

Destination

Yokota Air Base (OKO / RJTY) Fussa, Japan