Air Miles Calculator logo

How far is Alpena, MI, from Denver, CO?

The distance between Denver (Denver International Airport) and Alpena (Alpena County Regional Airport) is 1133 miles / 1824 kilometers / 985 nautical miles.

The driving distance from Denver (DEN) to Alpena (APN) is 1401 miles / 2254 kilometers, and travel time by car is about 25 hours 22 minutes.

Denver International Airport – Alpena County Regional Airport

Distance arrow
1133
Miles
Distance arrow
1824
Kilometers
Distance arrow
985
Nautical miles

Search flights

Distance from Denver to Alpena

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

Vincenty's formula (applied above)
  • 1133.462 miles
  • 1824.130 kilometers
  • 984.951 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
  • 1130.887 miles
  • 1819.986 kilometers
  • 982.714 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 Denver to Alpena?

The estimated flight time from Denver International Airport to Alpena County Regional Airport is 2 hours and 38 minutes.

Flight carbon footprint between Denver International Airport (DEN) and Alpena County Regional Airport (APN)

On average, flying from Denver to Alpena generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Denver to Alpena

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

Airport information

Origin Denver International Airport
City: Denver, CO
Country: United States Flag of United States
IATA Code: DEN
ICAO Code: KDEN
Coordinates: 39°51′42″N, 104°40′22″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