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How far is Iwakuni from Spokane, WA?

The distance between Spokane (Spokane International Airport) and Iwakuni (Marine Corps Air Station Iwakuni) is 5346 miles / 8604 kilometers / 4646 nautical miles.

Spokane International Airport – Marine Corps Air Station Iwakuni

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5346
Miles
Distance arrow
8604
Kilometers
Distance arrow
4646
Nautical miles

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Distance from Spokane to Iwakuni

There are several ways to calculate the distance from Spokane to Iwakuni. Here are two standard methods:

Vincenty's formula (applied above)
  • 5346.027 miles
  • 8603.596 kilometers
  • 4645.570 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
  • 5333.380 miles
  • 8583.243 kilometers
  • 4634.581 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 Spokane to Iwakuni?

The estimated flight time from Spokane International Airport to Marine Corps Air Station Iwakuni is 10 hours and 37 minutes.

Flight carbon footprint between Spokane International Airport (GEG) and Marine Corps Air Station Iwakuni (IWK)

On average, flying from Spokane to Iwakuni generates about 629 kg of CO2 per passenger, and 629 kilograms equals 1 387 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Spokane to Iwakuni

See the map of the shortest flight path between Spokane International Airport (GEG) and Marine Corps Air Station Iwakuni (IWK).

Airport information

Origin Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″W
Destination Marine Corps Air Station Iwakuni
City: Iwakuni
Country: Japan Flag of Japan
IATA Code: IWK
ICAO Code: RJOI
Coordinates: 34°8′38″N, 132°14′9″E