How far is Alpena, MI, from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Alpena (Alpena County Regional Airport) is 306 miles / 492 kilometers / 266 nautical miles.
The driving distance from Chicago (ORD) to Alpena (APN) is 439 miles / 706 kilometers, and travel time by car is about 8 hours 36 minutes.
Chicago O'Hare International Airport – Alpena County Regional Airport
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Distance from Chicago to Alpena
There are several ways to calculate the distance from Chicago to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 305.542 miles
- 491.722 kilometers
- 265.509 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- 305.246 miles
- 491.245 kilometers
- 265.251 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 Chicago to Alpena?
The estimated flight time from Chicago O'Hare International Airport to Alpena County Regional Airport is 1 hour and 4 minutes.
What is the time difference between Chicago and Alpena?
The time difference between Chicago and Alpena is 1 hour. Alpena is 1 hour ahead of Chicago.
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Alpena County Regional Airport (APN)
On average, flying from Chicago to Alpena generates about 70 kg of CO2 per passenger, and 70 kilograms equals 154 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chicago to Alpena
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Alpena County Regional Airport (APN).
Airport information
| Origin | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″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 |