How far is Okushiri Island from Unalaska, AK?
The distance between Unalaska (Unalaska Airport) and Okushiri Island (Okushiri Airport) is 2565 miles / 4128 kilometers / 2229 nautical miles.
Unalaska Airport – Okushiri Airport
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Distance from Unalaska to Okushiri Island
There are several ways to calculate the distance from Unalaska to Okushiri Island. Here are two standard methods:
Vincenty's formula (applied above)- 2565.205 miles
- 4128.297 kilometers
- 2229.102 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- 2558.425 miles
- 4117.385 kilometers
- 2223.210 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 Unalaska to Okushiri Island?
The estimated flight time from Unalaska Airport to Okushiri Airport is 5 hours and 21 minutes.
What is the time difference between Unalaska and Okushiri Island?
Flight carbon footprint between Unalaska Airport (DUT) and Okushiri Airport (OIR)
On average, flying from Unalaska to Okushiri Island generates about 283 kg of CO2 per passenger, and 283 kilograms equals 623 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Unalaska to Okushiri Island
See the map of the shortest flight path between Unalaska Airport (DUT) and Okushiri Airport (OIR).
Airport information
| Origin | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States  |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |
| Destination | Okushiri Airport |
|---|---|
| City: | Okushiri Island |
| Country: | Japan  |
| IATA Code: | OIR |
| ICAO Code: | RJEO |
| Coordinates: | 42°4′18″N, 139°25′58″E |