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How far is Seattle, WA, from Osaka?

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

Kansai International Airport – Seattle Boeing Field

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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 Osaka to Seattle

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

The estimated flight time from Kansai International Airport to Seattle Boeing Field is 10 hours and 2 minutes.

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

On average, flying from Osaka to Seattle 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 Osaka to Seattle

See the map of the shortest flight path between Kansai International Airport (KIX) and Seattle Boeing Field (BFI).

Airport information

Origin 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
Destination 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