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

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

The driving distance from Alpena (APN) to Duluth (DLH) is 517 miles / 832 kilometers, and travel time by car is about 11 hours 34 minutes.

Alpena County Regional Airport – Duluth International 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 Alpena to Duluth

There are several ways to calculate the distance from Alpena to Duluth. 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 Alpena to Duluth?

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

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

On average, flying from Alpena to Duluth 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 Alpena to Duluth

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

Airport information

Origin 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
Destination 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