How far is Unalaska, AK, from Grand Forks, ND?
The distance between Grand Forks (Grand Forks International Airport) and Unalaska (Unalaska Airport) is 2935 miles / 4724 kilometers / 2551 nautical miles.
Grand Forks International Airport – Unalaska Airport
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Distance from Grand Forks to Unalaska
There are several ways to calculate the distance from Grand Forks to Unalaska. Here are two standard methods:
Vincenty's formula (applied above)- 2935.193 miles
- 4723.735 kilometers
- 2550.613 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- 2926.175 miles
- 4709.222 kilometers
- 2542.777 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 Grand Forks to Unalaska?
The estimated flight time from Grand Forks International Airport to Unalaska Airport is 6 hours and 3 minutes.
What is the time difference between Grand Forks and Unalaska?
Flight carbon footprint between Grand Forks International Airport (GFK) and Unalaska Airport (DUT)
On average, flying from Grand Forks to Unalaska generates about 326 kg of CO2 per passenger, and 326 kilograms equals 720 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Grand Forks to Unalaska
See the map of the shortest flight path between Grand Forks International Airport (GFK) and Unalaska Airport (DUT).
Airport information
| Origin | Grand Forks International Airport |
|---|---|
| City: | Grand Forks, ND |
| Country: | United States  |
| IATA Code: | GFK |
| ICAO Code: | KGFK |
| Coordinates: | 47°56′57″N, 97°10′33″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 |