How far is Great Falls, MT, from Key West, FL?
The distance between Key West (Key West International Airport) and Great Falls (Great Falls International Airport) is 2265 miles / 3646 kilometers / 1969 nautical miles.
The driving distance from Key West (EYW) to Great Falls (GTF) is 2865 miles / 4610 kilometers, and travel time by car is about 54 hours 9 minutes.
Key West International Airport – Great Falls International Airport
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Distance from Key West to Great Falls
There are several ways to calculate the distance from Key West to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 2265.406 miles
- 3645.817 kilometers
- 1968.584 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- 2265.085 miles
- 3645.301 kilometers
- 1968.305 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 Key West to Great Falls?
The estimated flight time from Key West International Airport to Great Falls International Airport is 4 hours and 47 minutes.
What is the time difference between Key West and Great Falls?
Flight carbon footprint between Key West International Airport (EYW) and Great Falls International Airport (GTF)
On average, flying from Key West to Great Falls generates about 248 kg of CO2 per passenger, and 248 kilograms equals 547 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Key West to Great Falls
See the map of the shortest flight path between Key West International Airport (EYW) and Great Falls International Airport (GTF).
Airport information
| Origin | Key West International Airport |
|---|---|
| City: | Key West, FL |
| Country: | United States  |
| IATA Code: | EYW |
| ICAO Code: | KEYW |
| Coordinates: | 24°33′21″N, 81°45′34″W |
| Destination | 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 |