How far is Hengchun from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Hengchun (Hengchun Airport) is 6260 miles / 10074 kilometers / 5440 nautical miles.

Distance from Seattle to Hengchun

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

Vincenty's formula (applied above)

• 6259.945 miles
• 10074.405 kilometers
• 5439.743 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

• 6249.040 miles
• 10056.855 kilometers
• 5430.268 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 Hengchun?

The estimated flight time from Seattle–Tacoma International Airport to Hengchun Airport is 12 hours and 21 minutes.

What is the time difference between Seattle and Hengchun?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Hengchun Airport (HCN)

On average, flying from Seattle to Hengchun generates about 752 kg of CO2 per passenger, and 752 kilograms equals 1 658 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Hengchun

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Hengchun Airport (HCN).

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	Hengchun Airport
City:	Hengchun
Country:	Taiwan
IATA Code:	HCN
ICAO Code:	RCKW
Coordinates:	22°2′27″N, 120°43′48″E