Calculations with different methods
- 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).
Estimated flight time from Mid Delta Regional Airport (GLH) to Helena Regional Airport (HLN) is 3 hours 12 minutes.
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 177 kg (390 pounds).
Greenville to Helena flight map.
Frequent Flyer Miles Calculator
Greenville (GLH) → Helena (HLN).