How far is Sioux Falls, SD, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Sioux Falls (Sioux Falls Regional Airport) is 758 miles / 1220 kilometers / 659 nautical miles.
The driving distance from Great Falls (GTF) to Sioux Falls (FSD) is 886 miles / 1426 kilometers, and travel time by car is about 17 hours 21 minutes.
Great Falls International Airport – Sioux Falls Regional Airport
Search flights
Distance from Great Falls to Sioux Falls
There are several ways to calculate the distance from Great Falls to Sioux Falls. Here are two standard methods:
Vincenty's formula (applied above)- 757.978 miles
- 1219.847 kilometers
- 658.665 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- 756.156 miles
- 1216.915 kilometers
- 657.082 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 Sioux Falls?
The estimated flight time from Great Falls International Airport to Sioux Falls Regional Airport is 1 hour and 56 minutes.
What is the time difference between Great Falls and Sioux Falls?
Flight carbon footprint between Great Falls International Airport (GTF) and Sioux Falls Regional Airport (FSD)
On average, flying from Great Falls to Sioux Falls generates about 131 kg of CO2 per passenger, and 131 kilograms equals 288 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 Sioux Falls
See the map of the shortest flight path between Great Falls International Airport (GTF) and Sioux Falls Regional Airport (FSD).
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 | Sioux Falls Regional Airport |
|---|---|
| City: | Sioux Falls, SD |
| Country: | United States |
| IATA Code: | FSD |
| ICAO Code: | KFSD |
| Coordinates: | 43°34′55″N, 96°44′30″W |