Distance From Boeing Field King County International Airport to Naha Airport / JASDF Naha Air Base, BFI - OKA Distance

The distance from Boeing Field King County International Airport (BFI) to Naha Airport / JASDF Naha Air Base (OKA) is 5751 miles or 9255 kilometers or 4994 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 Seattle ( United States ) to Naha ( Japan )?

A one-way nonstop (direct) flight between Seattle and Naha takes around 13 hours 13 minutes.

Estimated flight time from Boeing Field King County International Airport, Seattle, United States to Naha Airport / JASDF Naha Air Base, Naha, Japan is 13 hours 13 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 • BFI - OKA

Kilometers		9255 km
Statute Miles		5751 miles
Nautical Miles		4994 nm
Avg. Time of Flight		13 hours 13 minutes

Boeing Field King County International Airport to Naha Airport / JASDF Naha Air Base Flight Route Map - BFI to OKA Flight Path

Location of Boeing Field King County International Airport & Naha Airport / JASDF Naha Air Base is given below.
Click the map to view Seattle to Naha nonstop flight path and travel direction.

Click to see flight route on Google Map between Seattle, United States and Naha, Japan. .

Nonstop flight route between Seattle, United States and Naha, Japan.

Time Difference Between the Airports • BFI - OKA

Time difference between Seattle (United States) and Naha (Japan) is 15 Hours.
Naha time is 15 Hours ahead of Seattle.

Location	Local Time
Seattle (United States)	2026-03-19, 19:54:46 MDT
Naha (Japan)	2026-03-20, 10:54:46 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

Boeing Field King County International Airport (BFI / KBFI) Seattle, United States

Destination

Naha Airport / JASDF Naha Air Base (OKA / ROAH) Naha, Japan