Air Miles Calculator

Distance between Des Moines, IA (DSM) and Great Falls, MT (GTF)

Flight distance from Des Moines to Great Falls (Des Moines International Airport – Great Falls International Airport) is 964 miles / 1551 kilometers / 837 nautical miles. Estimated flight time is 2 hours 19 minutes.

Driving distance from Des Moines (DSM) to Great Falls (GTF) is 1223 miles / 1968 kilometers and travel time by car is about 20 hours 53 minutes.

Map of flight path and driving directions from Des Moines to Great Falls.

Shortest flight path between Des Moines International Airport (DSM) and Great Falls International Airport (GTF).

How far is Great Falls from Des Moines?

There are several ways to calculate distances between Des Moines and Great Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 963.606 miles
  • 1550.773 kilometers
  • 837.350 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
  • 961.546 miles
  • 1547.458 kilometers
  • 835.560 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 Des Moines International Airport
City: Des Moines, IA
Country: United States Flag of United States
IATA Code: DSM
ICAO Code: KDSM
Coordinates: 41°32′2″N, 93°39′47″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 Des Moines and Great Falls is 1 hour. Great Falls is 1 hour behind Des Moines.

Time Difference

Des Moines, IA

 CST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 148 kg (327 pounds).

Frequent Flyer Miles Calculator

Des Moines (DSM) → Great Falls (GTF).

Distance:
964
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
964

Round trip?