Distance From Ust-Kut Airport to Yokota Air Base, UKX - OKO Distance

The distance from Ust-Kut Airport (UKX) to Yokota Air Base (OKO) is 2131 miles or 3429 kilometers or 1850 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.

---

How long does it take to travel from Ust-Kut ( Russia ) to Fussa ( Japan )?

A one-way nonstop (direct) flight between Ust-Kut and Fussa takes around 4 hours 53 minutes.

Estimated flight time from Ust-Kut Airport, Ust-Kut, Russia to Yokota Air Base, Fussa, Japan is 4 hours 53 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 • UKX - OKO

Kilometers		3429 km
Statute Miles		2131 miles
Nautical Miles		1850 nm
Avg. Time of Flight		4 hours 53 minutes

Ust-Kut Airport to Yokota Air Base Flight Route Map - UKX to OKO Flight Path

Location of Ust-Kut Airport & Yokota Air Base is given below.
Click the map to view Ust-Kut to Fussa nonstop flight path and travel direction.

Click to see flight route on Google Map between Ust-Kut, Russia and Fussa, Japan. .

Nonstop flight route between Ust-Kut, Russia and Fussa, Japan.

Time Difference Between the Airports • UKX - OKO

Time difference between Ust-Kut (Russia) and Fussa (Japan) is 1 Hours.
Fussa time is 1 Hours ahead of Ust-Kut.

Location	Local Time
Ust-Kut (Russia)	2025-12-15, 00:14:53 +08
Fussa (Japan)	2025-12-15, 01:14:53 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

Ust-Kut Airport (UKX / UITT) Ust-Kut, Russia

Destination

Yokota Air Base (OKO / RJTY) Fussa, Japan