How far is Alpena from Casper?
There are several ways to calculate distances between Casper and Alpena. Here are two common methods:Vincenty's formula (applied above)
- 1147.473 miles
- 1846.679 kilometers
- 997.127 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
- 1144.407 miles
- 1841.744 kilometers
- 994.462 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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Alpena County Regional Airport (APN) is 2 hours 40 minutes.
Time difference and current local times
The time difference between Casper and Alpena is 2 hours. Alpena is 2 hours ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 159 kg (351 pounds).
Casper to Alpena flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Alpena (APN).