How far is Unalaska, AK, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Unalaska (Unalaska Airport) is 1957 miles / 3149 kilometers / 1700 nautical miles.
Seattle Boeing Field – Unalaska Airport
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Distance from Seattle to Unalaska
There are several ways to calculate the distance from Seattle to Unalaska. Here are two standard methods:
Vincenty's formula (applied above)- 1956.790 miles
- 3149.149 kilometers
- 1700.404 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- 1950.958 miles
- 3139.763 kilometers
- 1695.337 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 Unalaska?
The estimated flight time from Seattle Boeing Field to Unalaska Airport is 4 hours and 12 minutes.
What is the time difference between Seattle and Unalaska?
The time difference between Seattle and Unalaska is 2 hours. Unalaska is 2 hours behind Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Unalaska Airport (DUT)
On average, flying from Seattle to Unalaska generates about 214 kg of CO2 per passenger, and 214 kilograms equals 471 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Seattle to Unalaska
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Unalaska Airport (DUT).
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 | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |