Air Miles Calculator logo

How far is Okushiri Island from Portland, OR?

The distance between Portland (Portland International Airport) and Okushiri Island (Okushiri Airport) is 4573 miles / 7359 kilometers / 3974 nautical miles.

Portland International Airport – Okushiri Airport

Distance arrow
4573
Miles
Distance arrow
7359
Kilometers
Distance arrow
3974
Nautical miles

Search flights

Distance from Portland to Okushiri Island

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

Vincenty's formula (applied above)
  • 4572.886 miles
  • 7359.347 kilometers
  • 3973.730 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
  • 4560.631 miles
  • 7339.624 kilometers
  • 3963.080 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 Portland to Okushiri Island?

The estimated flight time from Portland International Airport to Okushiri Airport is 9 hours and 9 minutes.

Flight carbon footprint between Portland International Airport (PDX) and Okushiri Airport (OIR)

On average, flying from Portland to Okushiri Island generates about 529 kg of CO2 per passenger, and 529 kilograms equals 1 166 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Okushiri Island

See the map of the shortest flight path between Portland International Airport (PDX) and Okushiri Airport (OIR).

Airport information

Origin Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″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