Air Miles Calculator

Distance between Atlanta, GA (ATL) and Great Falls, MT (GTF)

Distance from Atlanta to Great Falls (Great Falls International Airport – Hartsfield–Jackson Atlanta International Airport) is 1696 miles / 2729 kilometers / 1474 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1695.828 miles
  • 2729.171 kilometers
  • 1473.634 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
  • 1693.634 miles
  • 2725.640 kilometers
  • 1471.728 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to Great Falls International Airport (GTF) is 3 hours 42 minutes.

Time difference and current local times

The time difference between Atlanta and Great Falls is 2 hours. Great Falls is 2 hours behind Atlanta.

Time Difference

Atlanta
Great Falls

Atlanta, GA

 EDT

Great Falls, MT

 MDT

Airport information


A Hartsfield–Jackson Atlanta International Airport
City: Atlanta, GA
Country: United States Flag of United States
IATA Code: ATL
ICAO Code: KATL
Coordinates: 33°38′12″N, 84°25′41″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

Atlanta to Great Falls flight map.

Frequent Flyer Miles Calculator

Atlanta (ATL) → Great Falls (GTF).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1696
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1696

Round trip?