How far is Chicago, IL, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and Chicago (Chicago O'Hare International Airport) is 306 miles / 492 kilometers / 266 nautical miles.
The driving distance from Alpena (APN) to Chicago (ORD) is 439 miles / 706 kilometers, and travel time by car is about 8 hours 41 minutes.
Alpena County Regional Airport – Chicago O'Hare International Airport
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Distance from Alpena to Chicago
There are several ways to calculate the distance from Alpena to Chicago. 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 Alpena to Chicago?
The estimated flight time from Alpena County Regional Airport to Chicago O'Hare International Airport is 1 hour and 4 minutes.
What is the time difference between Alpena and Chicago?
The time difference between Alpena and Chicago is 1 hour. Chicago is 1 hour behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and Chicago O'Hare International Airport (ORD)
On average, flying from Alpena to Chicago 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 Alpena to Chicago
See the map of the shortest flight path between Alpena County Regional Airport (APN) and Chicago O'Hare International Airport (ORD).
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 | 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 |