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How far is Kushiro from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Kushiro (Kushiro Airport) is 4279 miles / 6886 kilometers / 3718 nautical miles.

Seattle Boeing Field – Kushiro Airport

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4279
Miles
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6886
Kilometers
Distance arrow
3718
Nautical miles

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Distance from Seattle to Kushiro

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

Vincenty's formula (applied above)
  • 4278.524 miles
  • 6885.616 kilometers
  • 3717.935 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
  • 4266.699 miles
  • 6866.586 kilometers
  • 3707.660 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 Kushiro?

The estimated flight time from Seattle Boeing Field to Kushiro Airport is 8 hours and 36 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Kushiro Airport (KUH)

On average, flying from Seattle to Kushiro generates about 491 kg of CO2 per passenger, and 491 kilograms equals 1 083 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Kushiro

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Kushiro Airport (KUH).

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 Kushiro Airport
City: Kushiro
Country: Japan Flag of Japan
IATA Code: KUH
ICAO Code: RJCK
Coordinates: 43°2′27″N, 144°11′34″E