How far is Green Bay, WI, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and Green Bay (Green Bay–Austin Straubel International Airport) is 228 miles / 368 kilometers / 198 nautical miles.
The driving distance from Alpena (APN) to Green Bay (GRB) is 353 miles / 568 kilometers, and travel time by car is about 7 hours 39 minutes.
Alpena County Regional Airport – Green Bay–Austin Straubel International Airport
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Distance from Alpena to Green Bay
There are several ways to calculate the distance from Alpena to Green Bay. Here are two standard methods:
Vincenty's formula (applied above)- 228.380 miles
- 367.543 kilometers
- 198.457 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- 227.771 miles
- 366.562 kilometers
- 197.927 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 Green Bay?
The estimated flight time from Alpena County Regional Airport to Green Bay–Austin Straubel International Airport is 55 minutes.
What is the time difference between Alpena and Green Bay?
The time difference between Alpena and Green Bay is 1 hour. Green Bay is 1 hour behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and Green Bay–Austin Straubel International Airport (GRB)
On average, flying from Alpena to Green Bay generates about 59 kg of CO2 per passenger, and 59 kilograms equals 129 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 Green Bay
See the map of the shortest flight path between Alpena County Regional Airport (APN) and Green Bay–Austin Straubel International Airport (GRB).
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 | Green Bay–Austin Straubel International Airport |
|---|---|
| City: | Green Bay, WI |
| Country: | United States |
| IATA Code: | GRB |
| ICAO Code: | KGRB |
| Coordinates: | 44°29′6″N, 88°7′46″W |