How far is Chiayi from Portland, OR?

The distance between Portland (Portland International Airport) and Chiayi (Chiayi Airport) is 6258 miles / 10071 kilometers / 5438 nautical miles.

Distance from Portland to Chiayi

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

Vincenty's formula (applied above)

• 6257.981 miles
• 10071.244 kilometers
• 5438.037 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

• 6246.614 miles
• 10052.950 kilometers
• 5428.159 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 Portland to Chiayi?

The estimated flight time from Portland International Airport to Chiayi Airport is 12 hours and 20 minutes.

What is the time difference between Portland and Chiayi?

The time difference between Portland and Chiayi is 16 hours. Chiayi is 16 hours ahead of Portland.

Flight carbon footprint between Portland International Airport (PDX) and Chiayi Airport (CYI)

On average, flying from Portland to Chiayi generates about 752 kg of CO2 per passenger, and 752 kilograms equals 1 657 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Chiayi

See the map of the shortest flight path between Portland International Airport (PDX) and Chiayi Airport (CYI).

Airport information

Origin	Portland International Airport
City:	Portland, OR
Country:	United States
IATA Code:	PDX
ICAO Code:	KPDX
Coordinates:	45°35′19″N, 122°35′52″W

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