Map of flight path and driving directions from Louisville to Alpena.
Shortest flight path between Louisville International Airport (SDF) and Alpena County Regional Airport (APN).
How far is Alpena from Louisville?
There are several ways to calculate distances between Louisville and Alpena. Here are two common methods:Vincenty's formula (applied above)
- 489.532 miles
- 787.826 kilometers
- 425.392 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 490.004 miles
- 788.584 kilometers
- 425.801 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).
Time difference and current local times
There is no time difference between Louisville and Alpena.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 97 kg (214 pounds).
Frequent Flyer Miles Calculator
Louisville (SDF) → Alpena (APN).