Distance between Casper, WY (CPR) and Alpena, MI (APN)
Distance from Casper to Alpena (Casper–Natrona County International Airport – Alpena County Regional Airport) is 1147 miles / 1847 kilometers / 997 nautical miles.
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Casper - Alpena
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).
Flight duration
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.
Time Difference
Casper, WY
Alpena, MI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 159 kg (351 pounds).
Airport information
| A | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States  |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |
| B | 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 |
Map
Casper to Alpena flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Alpena (APN).
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