How far is Singapore from Seattle, WA?

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

Distance from Seattle to Singapore

There are several ways to calculate the distance from Seattle to Singapore. 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 Seattle to Singapore?

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

What is the time difference between Seattle and Singapore?

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

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

On average, flying from Seattle to Singapore 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 Seattle to Singapore

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

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