Distance From Nenjiang Melgen Airport to Seattle–Tacoma International Airport, NJJ - SEA Distance

The distance from Nenjiang Melgen Airport (NJJ) to Seattle–Tacoma International Airport (SEA) is 4632 miles or 7455 kilometers or 4023 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 Heihe ( China ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Heihe and Seattle takes around 10 hours 39 minutes.

Estimated flight time from Nenjiang Melgen Airport, Heihe, China to Seattle–Tacoma International Airport, Seattle, United States is 10 hours 39 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 • NJJ - SEA

Kilometers		7455 km
Statute Miles		4632 miles
Nautical Miles		4023 nm
Avg. Time of Flight		10 hours 39 minutes

Nenjiang Melgen Airport to Seattle–Tacoma International Airport Flight Route Map - NJJ to SEA Flight Path

Location of Nenjiang Melgen Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Heihe to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Heihe, China and Seattle, United States. .

Nonstop flight route between Heihe, China and Seattle, United States.

Time Difference Between the Airports • NJJ - SEA

Time difference between Heihe (China) and Seattle (United States) is 14 Hours.
Seattle time is 14 Hours behind Heihe.

Location	Local Time
Heihe (China)	2026-07-30, 18:54:41 CST
Seattle (United States)	2026-07-30, 04:54:41 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

Nenjiang Melgen Airport (NJJ / ) Heihe, China

Destination

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