How far is Qui Nhon from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Qui Nhon (Phu Cat Airport) is 7156 miles / 11516 kilometers / 6218 nautical miles.

Distance from Seattle to Qui Nhon

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

Vincenty's formula (applied above)

• 7155.681 miles
• 11515.952 kilometers
• 6218.116 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

• 7146.206 miles
• 11500.703 kilometers
• 6209.883 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 Qui Nhon?

The estimated flight time from Seattle–Tacoma International Airport to Phu Cat Airport is 14 hours and 2 minutes.

What is the time difference between Seattle and Qui Nhon?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Phu Cat Airport (UIH)

On average, flying from Seattle to Qui Nhon generates about 877 kg of CO2 per passenger, and 877 kilograms equals 1 933 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Qui Nhon

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Phu Cat Airport (UIH).

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	Phu Cat Airport
City:	Qui Nhon
Country:	Vietnam
IATA Code:	UIH
ICAO Code:	VVPC
Coordinates:	13°57′17″N, 109°2′31″E