How far is Lanzhou from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Lanzhou (Lanzhou Zhongchuan International Airport) is 5990 miles / 9640 kilometers / 5205 nautical miles.

Distance from Seattle to Lanzhou

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

Vincenty's formula (applied above)

• 5989.717 miles
• 9639.514 kilometers
• 5204.921 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

• 5975.099 miles
• 9615.990 kilometers
• 5192.219 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 Lanzhou?

The estimated flight time from Seattle Boeing Field to Lanzhou Zhongchuan International Airport is 11 hours and 50 minutes.

What is the time difference between Seattle and Lanzhou?

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

Flight carbon footprint between Seattle Boeing Field (BFI) and Lanzhou Zhongchuan International Airport (LHW)

On average, flying from Seattle to Lanzhou generates about 715 kg of CO2 per passenger, and 715 kilograms equals 1 577 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Lanzhou

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Lanzhou Zhongchuan International Airport (LHW).

Airport information

Origin	Seattle Boeing Field
City:	Seattle, WA
Country:	United States
IATA Code:	BFI
ICAO Code:	KBFI
Coordinates:	47°31′47″N, 122°18′7″W

Destination	Lanzhou Zhongchuan International Airport
City:	Lanzhou
Country:	China
IATA Code:	LHW
ICAO Code:	ZLLL
Coordinates:	36°30′54″N, 103°37′12″E