# 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
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
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.

CDT

MDT

## 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?