Air Miles Calculator

Distance between Atlanta, GA (ATL) and Helena, MT (HLN)

Distance from Atlanta to Helena (Helena Regional Airport – Hartsfield–Jackson Atlanta International Airport) is 1699 miles / 2734 kilometers / 1476 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1698.560 miles
  • 2733.568 kilometers
  • 1476.009 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
  • 1696.166 miles
  • 2729.715 kilometers
  • 1473.928 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 Helena Regional Airport (HLN) is 3 hours 42 minutes.

Time difference and current local times

The time difference between Atlanta and Helena is 2 hours. Helena is 2 hours behind Atlanta.

Time Difference

Atlanta
Helena

Atlanta, GA

 EDT

Helena, 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 Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

Map

Atlanta to Helena flight map.

Frequent Flyer Miles Calculator

Atlanta (ATL) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1699
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1699

Round trip?