How far is Vientiane from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Vientiane (Wattay International Airport) is 7141 miles / 11493 kilometers / 6206 nautical miles.

Distance from Seattle to Vientiane

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

Vincenty's formula (applied above)

• 7141.212 miles
• 11492.667 kilometers
• 6205.544 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

• 7130.305 miles
• 11475.113 kilometers
• 6196.065 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 Vientiane?

The estimated flight time from Seattle–Tacoma International Airport to Wattay International Airport is 14 hours and 1 minutes.

What is the time difference between Seattle and Vientiane?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Wattay International Airport (VTE)

On average, flying from Seattle to Vientiane generates about 875 kg of CO2 per passenger, and 875 kilograms equals 1 929 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Vientiane

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

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	Wattay International Airport
City:	Vientiane
Country:	Laos
IATA Code:	VTE
ICAO Code:	VLVT
Coordinates:	17°59′17″N, 102°33′46″E