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 map.
Frequent Flyer Miles Calculator
Atlanta (ATL) → Helena (HLN).