How far is Salt Lake City, UT, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Salt Lake City (Salt Lake City International Airport) is 402 miles / 646 kilometers / 349 nautical miles.
The driving distance from Helena (HLN) to Salt Lake City (SLC) is 487 miles / 783 kilometers, and travel time by car is about 7 hours 58 minutes.
Helena Regional Airport – Salt Lake City International Airport
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Distance from Helena to Salt Lake City
There are several ways to calculate the distance from Helena to Salt Lake City. Here are two standard 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 planet.
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).
How long does it take to fly from Helena to Salt Lake City?
The estimated flight time from Helena Regional Airport to Salt Lake City International Airport is 1 hour and 15 minutes.
What is the time difference between Helena and Salt Lake City?
There is no time difference between Helena and Salt Lake City.
Flight carbon footprint between Helena Regional Airport (HLN) and Salt Lake City International Airport (SLC)
On average, flying from Helena to Salt Lake City generates about 84 kg of CO2 per passenger, and 84 kilograms equals 186 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Salt Lake City
See the map of the shortest flight path between Helena Regional Airport (HLN) and Salt Lake City International Airport (SLC).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | 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 |
Airlines flying from Helena (HLN) to Salt Lake City (SLC)
| Delta Air Lines |