How far is Chiayi from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Chiayi (Chiayi Airport) is 6195 miles / 9970 kilometers / 5383 nautical miles.

Distance from Seattle to Chiayi

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

Vincenty's formula (applied above)

• 6194.836 miles
• 9969.622 kilometers
• 5383.165 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

• 6183.571 miles
• 9951.493 kilometers
• 5373.377 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 Chiayi?

The estimated flight time from Seattle–Tacoma International Airport to Chiayi Airport is 12 hours and 13 minutes.

What is the time difference between Seattle and Chiayi?

The time difference between Seattle and Chiayi is 15 hours. Chiayi is 15 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Chiayi Airport (CYI)

On average, flying from Seattle to Chiayi generates about 743 kg of CO2 per passenger, and 743 kilograms equals 1 638 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Chiayi

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

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	Chiayi Airport
City:	Chiayi
Country:	Taiwan
IATA Code:	CYI
ICAO Code:	RCKU
Coordinates:	23°27′42″N, 120°23′34″E