How far is Helena from Atlanta?
There are several ways to calculate distances between Atlanta and Helena. Here are two common 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 – the shortest distance between two points).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 186 kg (411 pounds).
Atlanta to Helena flight path
Shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and Helena Regional Airport (HLN).
Frequent Flyer Miles Calculator
Atlanta (ATL) → Helena (HLN).