How far is Iwakuni from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Iwakuni (Marine Corps Air Station Iwakuni) is 5169 miles / 8318 kilometers / 4492 nautical miles.

Distance from Seattle to Iwakuni

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

Vincenty's formula (applied above)

• 5168.749 miles
• 8318.296 kilometers
• 4491.520 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

• 5156.522 miles
• 8298.618 kilometers
• 4480.895 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 Iwakuni?

The estimated flight time from Seattle Boeing Field to Marine Corps Air Station Iwakuni is 10 hours and 17 minutes.

What is the time difference between Seattle and Iwakuni?

The time difference between Seattle and Iwakuni is 17 hours. Iwakuni is 17 hours ahead of Seattle.

Flight carbon footprint between Seattle Boeing Field (BFI) and Marine Corps Air Station Iwakuni (IWK)

On average, flying from Seattle to Iwakuni generates about 606 kg of CO2 per passenger, and 606 kilograms equals 1 336 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Iwakuni

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Marine Corps Air Station Iwakuni (IWK).

Airport information

Origin	Seattle Boeing Field
City:	Seattle, WA
Country:	United States
IATA Code:	BFI
ICAO Code:	KBFI
Coordinates:	47°31′47″N, 122°18′7″W

Destination	Marine Corps Air Station Iwakuni
City:	Iwakuni
Country:	Japan
IATA Code:	IWK
ICAO Code:	RJOI
Coordinates:	34°8′38″N, 132°14′9″E