How far is Casper, WY, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and Casper (Casper–Natrona County International Airport) is 1147 miles / 1847 kilometers / 997 nautical miles.
The driving distance from Alpena (APN) to Casper (CPR) is 1439 miles / 2316 kilometers, and travel time by car is about 27 hours 9 minutes.
Alpena County Regional Airport – Casper–Natrona County International Airport
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Distance from Alpena to Casper
There are several ways to calculate the distance from Alpena to Casper. Here are two standard 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 planet.
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).
How long does it take to fly from Alpena to Casper?
The estimated flight time from Alpena County Regional Airport to Casper–Natrona County International Airport is 2 hours and 40 minutes.
What is the time difference between Alpena and Casper?
The time difference between Alpena and Casper is 2 hours. Casper is 2 hours behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and Casper–Natrona County International Airport (CPR)
On average, flying from Alpena to Casper generates about 159 kg of CO2 per passenger, and 159 kilograms equals 351 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Alpena to Casper
See the map of the shortest flight path between Alpena County Regional Airport (APN) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | 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 |
| Destination | 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 |