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How far is Okushiri Island from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Okushiri Island (Okushiri Airport) is 6394 miles / 10291 kilometers / 5556 nautical miles.

Washington Dulles International Airport – Okushiri Airport

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6394
Miles
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10291
Kilometers
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5556
Nautical miles

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Distance from Washington D.C. to Okushiri Island

There are several ways to calculate the distance from Washington D.C. to Okushiri Island. Here are two standard methods:

Vincenty's formula (applied above)
  • 6394.281 miles
  • 10290.598 kilometers
  • 5556.478 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
  • 6379.076 miles
  • 10266.127 kilometers
  • 5543.265 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 Washington D.C. to Okushiri Island?

The estimated flight time from Washington Dulles International Airport to Okushiri Airport is 12 hours and 36 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Okushiri Airport (OIR)

On average, flying from Washington D.C. to Okushiri Island generates about 771 kg of CO2 per passenger, and 771 kilograms equals 1 699 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Okushiri Island

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Okushiri Airport (OIR).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Okushiri Airport
City: Okushiri Island
Country: Japan Flag of Japan
IATA Code: OIR
ICAO Code: RJEO
Coordinates: 42°4′18″N, 139°25′58″E