How far is Seattle, WA, from Singapore?

The distance between Singapore (Singapore Changi Airport) and Seattle (Seattle–Tacoma International Airport) is 8071 miles / 12988 kilometers / 7013 nautical miles.

Distance from Singapore to Seattle

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

Vincenty's formula (applied above)

• 8070.637 miles
• 12988.431 kilometers
• 7013.191 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

• 8064.859 miles
• 12979.133 kilometers
• 7008.171 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 Singapore to Seattle?

The estimated flight time from Singapore Changi Airport to Seattle–Tacoma International Airport is 15 hours and 46 minutes.

What is the time difference between Singapore and Seattle?

The time difference between Singapore and Seattle is 16 hours. Seattle is 16 hours behind Singapore.

Flight carbon footprint between Singapore Changi Airport (SIN) and Seattle–Tacoma International Airport (SEA)

On average, flying from Singapore to Seattle generates about 1 009 kg of CO2 per passenger, and 1 009 kilograms equals 2 224 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Singapore to Seattle

See the map of the shortest flight path between Singapore Changi Airport (SIN) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin	Singapore Changi Airport
City:	Singapore
Country:	Singapore
IATA Code:	SIN
ICAO Code:	WSSS
Coordinates:	1°21′0″N, 103°59′38″E

Destination	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