How far is Unalaska, AK, from Spokane, WA?

The distance between Spokane (Spokane International Airport) and Unalaska (Unalaska Airport) is 2147 miles / 3455 kilometers / 1866 nautical miles.

Distance from Spokane to Unalaska

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

Vincenty's formula (applied above)

• 2146.935 miles
• 3455.156 kilometers
• 1865.635 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

• 2140.474 miles
• 3444.759 kilometers
• 1860.021 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 Spokane to Unalaska?

The estimated flight time from Spokane International Airport to Unalaska Airport is 4 hours and 33 minutes.

What is the time difference between Spokane and Unalaska?

The time difference between Spokane and Unalaska is 2 hours. Unalaska is 2 hours behind Spokane.

Flight carbon footprint between Spokane International Airport (GEG) and Unalaska Airport (DUT)

On average, flying from Spokane to Unalaska generates about 234 kg of CO2 per passenger, and 234 kilograms equals 517 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Spokane to Unalaska

See the map of the shortest flight path between Spokane International Airport (GEG) and Unalaska Airport (DUT).

Airport information

Origin	Spokane International Airport
City:	Spokane, WA
Country:	United States
IATA Code:	GEG
ICAO Code:	KGEG
Coordinates:	47°37′11″N, 117°32′2″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