Distance From Lake Hanjaku Heliport to Seattle–Tacoma International Airport

The distance from Lake Hanjaku Heliport () to Seattle–Tacoma International Airport (SEA) is 5270 miles or 8480 kilometers or 4576 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 Kikuchi ( Japan ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Kikuchi and Seattle takes around 12 hours 6 minutes.

Estimated flight time from Lake Hanjaku Heliport, Kikuchi, Japan to Seattle–Tacoma International Airport, Seattle, United States is 12 hours 6 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 • - SEA

Kilometers		8480 km
Statute Miles		5270 miles
Nautical Miles		4576 nm
Avg. Time of Flight		12 hours 6 minutes

Lake Hanjaku Heliport to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Lake Hanjaku Heliport & Seattle–Tacoma International Airport is given below.
Click the map to view Kikuchi to Seattle nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - SEA

Time difference between Kikuchi (Japan) and Seattle (United States) is 15 Hours.
Seattle time is 15 Hours behind Kikuchi.

Location	Local Time
Kikuchi (Japan)	2026-03-21, 06:59:58 JST
Seattle (United States)	2026-03-20, 15:59:58 MDT

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

Lake Hanjaku Heliport ( / ) Kikuchi, Japan

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States