Air Miles Calculator

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

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

Calculations with different 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).

Flight duration

Estimated flight time from Helena Regional Airport (HLN) to Salt Lake City International Airport (SLC) is 1 hour 15 minutes.

Time difference and current local times

There is no time difference between Helena and Salt Lake City.

Time Difference

Helena
Salt Lake City

Helena, MT

 MST

Salt Lake City, UT

 MST

Carbon dioxide emissions

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

Airport information


A 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

B 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

Map

Helena to Salt Lake City flight map.

Frequent Flyer Miles Calculator

Helena (HLN) → Salt Lake City (SLC).

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?