Distance From JMSDF Atsugi Air Base / Naval Air Facility Atsugi to Seattle–Tacoma International Airport, NJA - SEA Distance

The distance from JMSDF Atsugi Air Base / Naval Air Facility Atsugi (NJA) to Seattle–Tacoma International Airport (SEA) is 4810 miles or 7741 kilometers or 4177 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 Ayase / Yamato ( Japan ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Ayase / Yamato and Seattle takes around 11 hours 3 minutes.

Estimated flight time from JMSDF Atsugi Air Base / Naval Air Facility Atsugi, Ayase / Yamato, Japan to Seattle–Tacoma International Airport, Seattle, United States is 11 hours 3 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 • NJA - SEA

Kilometers		7741 km
Statute Miles		4810 miles
Nautical Miles		4177 nm
Avg. Time of Flight		11 hours 3 minutes

JMSDF Atsugi Air Base / Naval Air Facility Atsugi to Seattle–Tacoma International Airport Flight Route Map - NJA to SEA Flight Path

Location of JMSDF Atsugi Air Base / Naval Air Facility Atsugi & Seattle–Tacoma International Airport is given below.
Click the map to view Ayase / Yamato to Seattle nonstop flight path and travel direction.

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

Nonstop flight route between Ayase / Yamato, Japan and Seattle, United States.

Time Difference Between the Airports • NJA - SEA

Time difference between Ayase / Yamato (Japan) and Seattle (United States) is 16 Hours.
Seattle time is 16 Hours behind Ayase / Yamato.

Location	Local Time
Ayase / Yamato (Japan)	2025-01-29, 04:01:49 JST
Seattle (United States)	2025-01-28, 12:01:49 MST

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

JMSDF Atsugi Air Base / Naval Air Facility Atsugi (NJA / RJTA) Ayase / Yamato, Japan

Destination

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