How far is Great Falls, MT, from Sioux City, IA?
The distance between Sioux City (Sioux Gateway Airport) and Great Falls (Great Falls International Airport) is 813 miles / 1308 kilometers / 706 nautical miles.
The driving distance from Sioux City (SUX) to Great Falls (GTF) is 975 miles / 1569 kilometers, and travel time by car is about 18 hours 34 minutes.
Sioux Gateway Airport – Great Falls International Airport
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Distance from Sioux City to Great Falls
There are several ways to calculate the distance from Sioux City to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 812.566 miles
- 1307.698 kilometers
- 706.101 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- 810.813 miles
- 1304.877 kilometers
- 704.577 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 Sioux City to Great Falls?
The estimated flight time from Sioux Gateway Airport to Great Falls International Airport is 2 hours and 2 minutes.
What is the time difference between Sioux City and Great Falls?
Flight carbon footprint between Sioux Gateway Airport (SUX) and Great Falls International Airport (GTF)
On average, flying from Sioux City to Great Falls generates about 136 kg of CO2 per passenger, and 136 kilograms equals 300 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Sioux City to Great Falls
See the map of the shortest flight path between Sioux Gateway Airport (SUX) and Great Falls International Airport (GTF).
Airport information
| Origin | Sioux Gateway Airport |
|---|---|
| City: | Sioux City, IA |
| Country: | United States  |
| IATA Code: | SUX |
| ICAO Code: | KSUX |
| Coordinates: | 42°24′9″N, 96°23′3″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 |