How far is Alpena, MI, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Alpena (Alpena County Regional Airport) is 823 miles / 1325 kilometers / 715 nautical miles.
The driving distance from Pierre (PIR) to Alpena (APN) is 1063 miles / 1710 kilometers, and travel time by car is about 20 hours 44 minutes.
Pierre Regional Airport – Alpena County Regional Airport
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Distance from Pierre to Alpena
There are several ways to calculate the distance from Pierre to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 823.207 miles
- 1324.823 kilometers
- 715.347 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- 820.932 miles
- 1321.162 kilometers
- 713.370 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 Pierre to Alpena?
The estimated flight time from Pierre Regional Airport to Alpena County Regional Airport is 2 hours and 3 minutes.
What is the time difference between Pierre and Alpena?
The time difference between Pierre and Alpena is 1 hour. Alpena is 1 hour ahead of Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Alpena County Regional Airport (APN)
On average, flying from Pierre to Alpena generates about 137 kg of CO2 per passenger, and 137 kilograms equals 302 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Alpena
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Alpena County Regional Airport (APN).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″W |
| Destination | 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 |