How far is Unalaska, AK, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Unalaska (Unalaska Airport) is 2960 miles / 4764 kilometers / 2572 nautical miles.
Pierre Regional Airport – Unalaska Airport
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Distance from Pierre to Unalaska
There are several ways to calculate the distance from Pierre to Unalaska. Here are two standard methods:
Vincenty's formula (applied above)- 2960.137 miles
- 4763.879 kilometers
- 2572.289 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- 2951.627 miles
- 4750.183 kilometers
- 2564.894 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 Pierre to Unalaska?
The estimated flight time from Pierre Regional Airport to Unalaska Airport is 6 hours and 6 minutes.
What is the time difference between Pierre and Unalaska?
The time difference between Pierre and Unalaska is 4 hours. Unalaska is 4 hours behind Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Unalaska Airport (DUT)
On average, flying from Pierre to Unalaska generates about 329 kg of CO2 per passenger, and 329 kilograms equals 726 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Pierre to Unalaska
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Unalaska Airport (DUT).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″W |
| Destination | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |