How far is Osaka from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Osaka (Itami Airport) is 5014 miles / 8070 kilometers / 4357 nautical miles.

Distance from Seattle to Osaka

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

Vincenty's formula (applied above)

• 5014.224 miles
• 8069.611 kilometers
• 4357.242 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

• 5002.211 miles
• 8050.279 kilometers
• 4346.803 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 Osaka?

The estimated flight time from Seattle–Tacoma International Airport to Itami Airport is 9 hours and 59 minutes.

What is the time difference between Seattle and Osaka?

The time difference between Seattle and Osaka is 17 hours. Osaka is 17 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Itami Airport (ITM)

On average, flying from Seattle to Osaka generates about 586 kg of CO2 per passenger, and 586 kilograms equals 1 291 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Osaka

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

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	Itami Airport
City:	Osaka
Country:	Japan
IATA Code:	ITM
ICAO Code:	RJOO
Coordinates:	34°47′7″N, 135°26′16″E