How far is Decatur, IL, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and Decatur (Decatur Airport) is 452 miles / 727 kilometers / 393 nautical miles.
The driving distance from Alpena (APN) to Decatur (DEC) is 569 miles / 915 kilometers, and travel time by car is about 10 hours 59 minutes.
Alpena County Regional Airport – Decatur Airport
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Distance from Alpena to Decatur
There are several ways to calculate the distance from Alpena to Decatur. 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 Alpena to Decatur?
The estimated flight time from Alpena County Regional Airport to Decatur Airport is 1 hour and 21 minutes.
What is the time difference between Alpena and Decatur?
The time difference between Alpena and Decatur is 1 hour. Decatur is 1 hour behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and Decatur Airport (DEC)
On average, flying from Alpena to Decatur 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 Alpena to Decatur
See the map of the shortest flight path between Alpena County Regional Airport (APN) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |