Air Miles Calculator

Distance between Casper, WY (CPR) and Great Falls, MT (GTF)

Distance from Casper to Great Falls (Casper–Natrona County International Airport – Great Falls International Airport) is 396 miles / 638 kilometers / 344 nautical miles.

How far is Great Falls from Casper?

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

Vincenty's formula (applied above)
  • 396.275 miles
  • 637.742 kilometers
  • 344.353 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
  • 396.005 miles
  • 637.309 kilometers
  • 344.119 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).

Flight duration

Estimated flight time from Casper–Natrona County International Airport (CPR) to Great Falls International Airport (GTF) is 1 hour 15 minutes.

Time difference and current local times

There is no time difference between Casper and Great Falls.

Time Difference

Casper
Great Falls

Casper, WY

 MST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (183 pounds).

Airport information


A Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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

Map

Casper to Great Falls flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → Great Falls (GTF).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
396
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
396

Round trip?