How far is Adak Island, AK, from Alpena, MI?

The distance between Alpena (Alpena County Regional Airport) and Adak Island (Adak Airport) is 4002 miles / 6441 kilometers / 3478 nautical miles.

Distance from Alpena to Adak Island

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

Vincenty's formula (applied above)

• 4002.064 miles
• 6440.698 kilometers
• 3477.699 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

• 3990.347 miles
• 6421.840 kilometers
• 3467.516 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 Alpena to Adak Island?

The estimated flight time from Alpena County Regional Airport to Adak Airport is 8 hours and 4 minutes.

What is the time difference between Alpena and Adak Island?

The time difference between Alpena and Adak Island is 5 hours. Adak Island is 5 hours behind Alpena.

Flight carbon footprint between Alpena County Regional Airport (APN) and Adak Airport (ADK)

On average, flying from Alpena to Adak Island generates about 457 kg of CO2 per passenger, and 457 kilograms equals 1 007 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Alpena to Adak Island

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

Airport information

Origin	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

Destination	Adak Airport
City:	Adak Island, AK
Country:	United States
IATA Code:	ADK
ICAO Code:	PADK
Coordinates:	51°52′40″N, 176°38′45″W