How far is Green Bay, WI, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Green Bay (Green Bay–Austin Straubel International Airport) is 1134 miles / 1824 kilometers / 985 nautical miles.
The driving distance from Great Falls (GTF) to Green Bay (GRB) is 1256 miles / 2022 kilometers, and travel time by car is about 23 hours 1 minutes.
Great Falls International Airport – Green Bay–Austin Straubel International Airport
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Distance from Great Falls to Green Bay
There are several ways to calculate the distance from Great Falls to Green Bay. Here are two standard methods:
Vincenty's formula (applied above)- 1133.544 miles
- 1824.262 kilometers
- 985.023 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- 1130.439 miles
- 1819.265 kilometers
- 982.325 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 Great Falls to Green Bay?
The estimated flight time from Great Falls International Airport to Green Bay–Austin Straubel International Airport is 2 hours and 38 minutes.
What is the time difference between Great Falls and Green Bay?
Flight carbon footprint between Great Falls International Airport (GTF) and Green Bay–Austin Straubel International Airport (GRB)
On average, flying from Great Falls to Green Bay generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Green Bay
See the map of the shortest flight path between Great Falls International Airport (GTF) and Green Bay–Austin Straubel International Airport (GRB).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″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 |