Distance From Gray Army Air Field to Osaka International Airport, GRF - ITM Distance

The distance from Gray Army Air Field (GRF) to Osaka International Airport (ITM) is 5005 miles or 8055 kilometers or 4347 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 Fort Lewis/Tacoma ( United States ) to Osaka ( Japan )?

A one-way nonstop (direct) flight between Fort Lewis/Tacoma and Osaka takes around 11 hours 30 minutes.

Estimated flight time from Gray Army Air Field, Fort Lewis/Tacoma, United States to Osaka International Airport, Osaka, Japan is 11 hours 30 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 • GRF - ITM

Kilometers		8055 km
Statute Miles		5005 miles
Nautical Miles		4347 nm
Avg. Time of Flight		11 hours 30 minutes

Gray Army Air Field to Osaka International Airport Flight Route Map - GRF to ITM Flight Path

Location of Gray Army Air Field & Osaka International Airport is given below.
Click the map to view Fort Lewis/Tacoma to Osaka nonstop flight path and travel direction.

Click to see flight route on Google Map between Fort Lewis/Tacoma, United States and Osaka, Japan. .

Nonstop flight route between Fort Lewis/Tacoma, United States and Osaka, Japan.

Time Difference Between the Airports • GRF - ITM

Time difference between Fort Lewis/Tacoma (United States) and Osaka (Japan) is 15 Hours.
Osaka time is 15 Hours ahead of Fort Lewis/Tacoma.

Location	Local Time
Fort Lewis/Tacoma (United States)	2026-03-18, 05:34:40 MDT
Osaka (Japan)	2026-03-18, 20:34:40 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

Gray Army Air Field (GRF / KGRF) Fort Lewis/Tacoma, United States

Destination

Osaka International Airport (ITM / RJOO) Osaka, Japan