How far is Unalaska, AK, from Brookings, SD?

The distance between Brookings (Brookings Regional Airport) and Unalaska (Unalaska Airport) is 3099 miles / 4988 kilometers / 2693 nautical miles.

Distance from Brookings to Unalaska

There are several ways to calculate the distance from Brookings to Unalaska. Here are two standard methods:

Vincenty's formula (applied above)

• 3099.320 miles
• 4987.872 kilometers
• 2693.236 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

• 3090.390 miles
• 4973.501 kilometers
• 2685.475 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 Brookings to Unalaska?

The estimated flight time from Brookings Regional Airport to Unalaska Airport is 6 hours and 22 minutes.

What is the time difference between Brookings and Unalaska?

The time difference between Brookings and Unalaska is 4 hours. Unalaska is 4 hours behind Brookings.

Flight carbon footprint between Brookings Regional Airport (BKX) and Unalaska Airport (DUT)

On average, flying from Brookings to Unalaska generates about 346 kg of CO2 per passenger, and 346 kilograms equals 763 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Brookings to Unalaska

See the map of the shortest flight path between Brookings Regional Airport (BKX) and Unalaska Airport (DUT).

Airport information

Origin	Brookings Regional Airport
City:	Brookings, SD
Country:	United States
IATA Code:	BKX
ICAO Code:	KBKX
Coordinates:	44°18′17″N, 96°49′0″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