How far is Hanoi from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Hanoi (Noi Bai International Airport) is 6843 miles / 11013 kilometers / 5946 nautical miles.

Distance from Seattle to Hanoi

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

Vincenty's formula (applied above)

• 6842.952 miles
• 11012.663 kilometers
• 5946.362 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

• 6831.333 miles
• 10993.965 kilometers
• 5936.266 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 Hanoi?

The estimated flight time from Seattle–Tacoma International Airport to Noi Bai International Airport is 13 hours and 27 minutes.

What is the time difference between Seattle and Hanoi?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Noi Bai International Airport (HAN)

On average, flying from Seattle to Hanoi generates about 833 kg of CO2 per passenger, and 833 kilograms equals 1 836 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Hanoi

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Noi Bai International Airport (HAN).

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	Noi Bai International Airport
City:	Hanoi
Country:	Vietnam
IATA Code:	HAN
ICAO Code:	VVNB
Coordinates:	21°13′16″N, 105°48′25″E