Air Miles Calculator

Distance between Salt Lake City, UT (SLC) and Helena, MT (HLN)

Distance from Salt Lake City to Helena (Salt Lake City International Airport – Helena Regional Airport) is 402 miles / 646 kilometers / 349 nautical miles.

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).

Flight duration

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.

Time Difference

Salt Lake City
Helena

Salt Lake City, UT

 MST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 80 kg (177 pounds).

Airport information


A Salt Lake City International Airport
City: Salt Lake City, UT
Country: United States Flag of United States
IATA Code: SLC
ICAO Code: KSLC
Coordinates: 40°47′18″N, 111°58′40″W

B Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

Map

Salt Lake City to Helena flight map.

Frequent Flyer Miles Calculator

Salt Lake City (SLC) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
402
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
402

Round trip?