Air Miles Calculator

Distance between Sioux City, IA (SUX) and Great Falls, MT (GTF)

Flight distance from Sioux City to Great Falls (Sioux Gateway Airport – Great Falls International Airport) is 813 miles / 1308 kilometers / 706 nautical miles. Estimated flight time is 2 hours 2 minutes.

Driving distance from Sioux City (SUX) to Great Falls (GTF) is 1030 miles / 1658 kilometers and travel time by car is about 17 hours 33 minutes.

Map of flight path and driving directions from Sioux City to Great Falls.

Shortest flight path between Sioux Gateway Airport (SUX) and Great Falls International Airport (GTF).

How far is Great Falls from Sioux City?

There are several ways to calculate distances between Sioux City and Great Falls. Here are two common 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 earth.

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).

Airport information


A Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W

B Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W

Time difference and current local times

The time difference between Sioux City and Great Falls is 1 hour. Great Falls is 1 hour behind Sioux City.

Time Difference

Sioux City, IA

 CST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 136 kg (300 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Great Falls (GTF).

Distance:
813
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
813

Round trip?