How far is Alpena, MI, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Alpena (Alpena County Regional Airport) is 3567 miles / 5740 kilometers / 3099 nautical miles.

Distance from Unalaska to Alpena

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

Vincenty's formula (applied above)

• 3566.695 miles
• 5740.039 kilometers
• 3099.373 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

• 3556.179 miles
• 5723.116 kilometers
• 3090.235 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 Unalaska to Alpena?

The estimated flight time from Unalaska Airport to Alpena County Regional Airport is 7 hours and 15 minutes.

What is the time difference between Unalaska and Alpena?

The time difference between Unalaska and Alpena is 5 hours. Alpena is 5 hours ahead of Unalaska.

Flight carbon footprint between Unalaska Airport (DUT) and Alpena County Regional Airport (APN)

On average, flying from Unalaska to Alpena generates about 403 kg of CO2 per passenger, and 403 kilograms equals 888 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Alpena

See the map of the shortest flight path between Unalaska Airport (DUT) and Alpena County Regional Airport (APN).

Airport information

Origin	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″W

Destination	Alpena County Regional Airport
City:	Alpena, MI
Country:	United States
IATA Code:	APN
ICAO Code:	KAPN
Coordinates:	45°4′41″N, 83°33′37″W