Map of flight path and driving directions from Greenville to Helena.
Shortest flight path between Mid Delta Regional Airport (GLH) and Helena Regional Airport (HLN).
How far is Helena from Greenville?
There are several ways to calculate distances between Greenville and Helena. Here are two common methods:Vincenty's formula (applied above)
- 1427.177 miles
- 2296.819 kilometers
- 1240.183 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
- 1425.875 miles
- 2294.723 kilometers
- 1239.052 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).
Time difference and current local times
The time difference between Greenville and Helena is 1 hour. Helena is 1 hour behind Greenville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 175 kg (386 pounds).
Frequent Flyer Miles Calculator
Greenville (GLH) → Helena (HLN).