How far is Ha Long from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Ha Long (Van Don International Airport) is 6796 miles / 10936 kilometers / 5905 nautical miles.

Distance from Seattle to Ha Long

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

Vincenty's formula (applied above)

• 6795.596 miles
• 10936.452 kilometers
• 5905.212 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

• 6784.083 miles
• 10917.923 kilometers
• 5895.207 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 Ha Long?

The estimated flight time from Seattle–Tacoma International Airport to Van Don International Airport is 13 hours and 21 minutes.

What is the time difference between Seattle and Ha Long?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Van Don International Airport (VDO)

On average, flying from Seattle to Ha Long generates about 826 kg of CO2 per passenger, and 826 kilograms equals 1 821 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Ha Long

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Van Don International Airport (VDO).

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	Van Don International Airport
City:	Ha Long
Country:	Vietnam
IATA Code:	VDO
ICAO Code:	VVVD
Coordinates:	21°7′4″N, 107°24′51″E