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How far is Alpena, MI, from Duluth, MN?

The distance between Duluth (Duluth International Airport) and Alpena (Alpena County Regional Airport) is 433 miles / 697 kilometers / 376 nautical miles.

The driving distance from Duluth (DLH) to Alpena (APN) is 517 miles / 832 kilometers, and travel time by car is about 11 hours 35 minutes.

Duluth International Airport – Alpena County Regional Airport

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433
Miles
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697
Kilometers
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376
Nautical miles

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Distance from Duluth to Alpena

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

Vincenty's formula (applied above)
  • 433.067 miles
  • 696.953 kilometers
  • 376.325 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
  • 431.946 miles
  • 695.149 kilometers
  • 375.350 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 Duluth to Alpena?

The estimated flight time from Duluth International Airport to Alpena County Regional Airport is 1 hour and 19 minutes.

Flight carbon footprint between Duluth International Airport (DLH) and Alpena County Regional Airport (APN)

On average, flying from Duluth to Alpena generates about 89 kg of CO2 per passenger, and 89 kilograms equals 196 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Duluth to Alpena

See the map of the shortest flight path between Duluth International Airport (DLH) and Alpena County Regional Airport (APN).

Airport information

Origin Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W
Destination Alpena County Regional Airport
City: Alpena, MI
Country: United States Flag of United States
IATA Code: APN
ICAO Code: KAPN
Coordinates: 45°4′41″N, 83°33′37″W