Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Alpena, MI (APN)

Flight distance from Oklahoma City to Alpena (Will Rogers World Airport – Alpena County Regional Airport) is 996 miles / 1603 kilometers / 866 nautical miles. Estimated flight time is 2 hours 23 minutes.

Driving distance from Oklahoma City (OKC) to Alpena (APN) is 1191 miles / 1917 kilometers and travel time by car is about 21 hours 17 minutes.

Map of flight path and driving directions from Oklahoma City to Alpena.

Shortest flight path between Will Rogers World Airport (OKC) and Alpena County Regional Airport (APN).

How far is Alpena from Oklahoma City?

There are several ways to calculate distances between Oklahoma City and Alpena. Here are two common methods:

Vincenty's formula (applied above)
  • 996.217 miles
  • 1603.255 kilometers
  • 865.689 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
  • 995.471 miles
  • 1602.056 kilometers
  • 865.041 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 Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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

The time difference between Oklahoma City and Alpena is 1 hour. Alpena is 1 hour ahead of Oklahoma City.

Time Difference

Oklahoma City, OK

 CST

Alpena, MI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 151 kg (332 pounds).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Alpena (APN).

Distance:
996
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
996

Round trip?