Distance between Salt Lake City, UT (SLC) and Helena, MT (HLN)
Distance from Salt Lake City International Airport to 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 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
MDT
Helena, MT
MDT
Airport information
| A | Salt Lake City International Airport |
|---|---|
| City: | Salt Lake City, UT |
| Country: | 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 |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
Map
Flight map from Salt Lake City to Helena.
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?