How far is Heihe from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Heihe (Heihe Aihui Airport) is 4538 miles / 7304 kilometers / 3944 nautical miles.

Distance from Seattle to Heihe

There are several ways to calculate the distance from Seattle to Heihe. Here are two standard methods:

Vincenty's formula (applied above)

• 4538.237 miles
• 7303.584 kilometers
• 3943.620 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 4524.753 miles
• 7281.885 kilometers
• 3931.903 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Seattle to Heihe?

The estimated flight time from Seattle–Tacoma International Airport to Heihe Aihui Airport is 9 hours and 5 minutes.

What is the time difference between Seattle and Heihe?

The time difference between Seattle and Heihe is 16 hours. Heihe is 16 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Heihe Aihui Airport (HEK)

On average, flying from Seattle to Heihe generates about 524 kg of CO2 per passenger, and 524 kilograms equals 1 156 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Heihe

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Heihe Aihui Airport (HEK).

Airport information

Origin	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W

Destination	Heihe Aihui Airport
City:	Heihe
Country:	China
IATA Code:	HEK
ICAO Code:	ZYHE
Coordinates:	50°10′17″N, 127°18′31″E