How far is Okushiri Island from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Okushiri Island (Okushiri Airport) is 4508 miles / 7255 kilometers / 3917 nautical miles.

Distance from Seattle to Okushiri Island

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

Vincenty's formula (applied above)

• 4508.148 miles
• 7255.161 kilometers
• 3917.473 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

• 4495.882 miles
• 7235.421 kilometers
• 3906.815 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 Okushiri Island?

The estimated flight time from Seattle–Tacoma International Airport to Okushiri Airport is 9 hours and 2 minutes.

What is the time difference between Seattle and Okushiri Island?

The time difference between Seattle and Okushiri Island is 16 hours. Okushiri Island is 16 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Okushiri Airport (OIR)

On average, flying from Seattle to Okushiri Island generates about 520 kg of CO2 per passenger, and 520 kilograms equals 1 147 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Okushiri Island

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Okushiri Airport (OIR).

Airport information

Origin	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W

Destination	Okushiri Airport
City:	Okushiri Island
Country:	Japan
IATA Code:	OIR
ICAO Code:	RJEO
Coordinates:	42°4′18″N, 139°25′58″E