How far is Helena from Salt Lake City?
There are several ways to calculate distances between Salt Lake City and Helena. Here are two common methods:Vincenty's formula (applied above)
- 401.693 miles
- 646.462 kilometers
- 349.061 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
- 402.013 miles
- 646.978 kilometers
- 349.340 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 Salt Lake City International Airport (SLC) to Helena Regional Airport (HLN) is 1 hour 15 minutes.
Time difference and current local times
There is no time difference between Salt Lake City and Helena.
Salt Lake City, UT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 80 kg (177 pounds).
Salt Lake City to Helena flight map.
Frequent Flyer Miles Calculator
Salt Lake City (SLC) → Helena (HLN).