Air Miles Calculator

Distance between Louisville, KY (SDF) and Alpena, MI (APN)

Flight distance from Louisville to Alpena (Louisville International Airport – Alpena County Regional Airport) is 490 miles / 788 kilometers / 425 nautical miles. Estimated flight time is 1 hour 25 minutes.

Driving distance from Louisville (SDF) to Alpena (APN) is 605 miles / 973 kilometers and travel time by car is about 10 hours 43 minutes.

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).

Airport information


A Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B 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

Time difference and current local times

There is no time difference between Louisville and Alpena.

Time Difference

Louisville, KY

 EDT

Alpena, MI

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 97 kg (214 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Alpena (APN).

Distance:
490
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
490

Round trip?