How far is Chicago, IL, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Chicago (Chicago Midway International Airport) is 1223 miles / 1969 kilometers / 1063 nautical miles.
The driving distance from Great Falls (GTF) to Chicago (MDW) is 1389 miles / 2236 kilometers, and travel time by car is about 25 hours 17 minutes.
Great Falls International Airport – Chicago Midway International Airport
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Distance from Great Falls to Chicago
There are several ways to calculate the distance from Great Falls to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 1223.443 miles
- 1968.941 kilometers
- 1063.143 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- 1220.489 miles
- 1964.186 kilometers
- 1060.576 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 Chicago?
The estimated flight time from Great Falls International Airport to Chicago Midway International Airport is 2 hours and 48 minutes.
What is the time difference between Great Falls and Chicago?
Flight carbon footprint between Great Falls International Airport (GTF) and Chicago Midway International Airport (MDW)
On average, flying from Great Falls to Chicago generates about 162 kg of CO2 per passenger, and 162 kilograms equals 358 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 Chicago
See the map of the shortest flight path between Great Falls International Airport (GTF) and Chicago Midway International Airport (MDW).
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 | Chicago Midway International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | MDW |
| ICAO Code: | KMDW |
| Coordinates: | 41°47′9″N, 87°45′8″W |