How far is Alpena, MI, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Alpena (Alpena County Regional Airport) is 452 miles / 727 kilometers / 393 nautical miles.
The driving distance from Decatur (DEC) to Alpena (APN) is 569 miles / 915 kilometers, and travel time by car is about 10 hours 57 minutes.
Decatur Airport – Alpena County Regional Airport
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Distance from Decatur to Alpena
There are several ways to calculate the distance from Decatur to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 452.013 miles
- 727.445 kilometers
- 392.789 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- 451.880 miles
- 727.230 kilometers
- 392.673 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 Decatur to Alpena?
The estimated flight time from Decatur Airport to Alpena County Regional Airport is 1 hour and 21 minutes.
What is the time difference between Decatur and Alpena?
The time difference between Decatur and Alpena is 1 hour. Alpena is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Alpena County Regional Airport (APN)
On average, flying from Decatur to Alpena generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Alpena
See the map of the shortest flight path between Decatur Airport (DEC) and Alpena County Regional Airport (APN).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″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 |