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How far is Osaka from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Osaka (Kansai International Airport) is 5037 miles / 8106 kilometers / 4377 nautical miles.

Seattle Boeing Field – Kansai International Airport

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5037
Miles
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8106
Kilometers
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4377
Nautical miles

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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)
  • 5036.959 miles
  • 8106.200 kilometers
  • 4376.998 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
  • 5024.977 miles
  • 8086.916 kilometers
  • 4366.585 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 Boeing Field to Kansai International Airport is 10 hours and 2 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Kansai International Airport (KIX)

On average, flying from Seattle to Osaka generates about 589 kg of CO2 per passenger, and 589 kilograms equals 1 298 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 Boeing Field (BFI) and Kansai International Airport (KIX).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination Kansai International Airport
City: Osaka
Country: Japan Flag of Japan
IATA Code: KIX
ICAO Code: RJBB
Coordinates: 34°25′38″N, 135°14′38″E