How far is St Louis, MO, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and St Louis (St. Louis Lambert International Airport) is 560 miles / 901 kilometers / 487 nautical miles.
The driving distance from Alpena (APN) to St Louis (STL) is 698 miles / 1123 kilometers, and travel time by car is about 13 hours 22 minutes.
Alpena County Regional Airport – St. Louis Lambert International Airport
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Distance from Alpena to St Louis
There are several ways to calculate the distance from Alpena to St Louis. Here are two standard methods:
Vincenty's formula (applied above)- 559.967 miles
- 901.180 kilometers
- 486.598 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- 559.775 miles
- 900.871 kilometers
- 486.431 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 St Louis?
The estimated flight time from Alpena County Regional Airport to St. Louis Lambert International Airport is 1 hour and 33 minutes.
What is the time difference between Alpena and St Louis?
The time difference between Alpena and St Louis is 1 hour. St Louis is 1 hour behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and St. Louis Lambert International Airport (STL)
On average, flying from Alpena to St Louis generates about 107 kg of CO2 per passenger, and 107 kilograms equals 237 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 St Louis
See the map of the shortest flight path between Alpena County Regional Airport (APN) and St. Louis Lambert International Airport (STL).
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 | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |