How far is Helena, MT, from Salt Lake City, UT?
The distance between Salt Lake City (Salt Lake City International Airport) and Helena (Helena Regional Airport) is 402 miles / 646 kilometers / 349 nautical miles.
The driving distance from Salt Lake City (SLC) to Helena (HLN) is 487 miles / 784 kilometers, and travel time by car is about 7 hours 57 minutes.
Salt Lake City International Airport – Helena Regional Airport
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Distance from Salt Lake City to Helena
There are several ways to calculate the distance from Salt Lake City to Helena. 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 Salt Lake City to Helena?
The estimated flight time from Salt Lake City International Airport to Helena Regional Airport is 1 hour and 15 minutes.
What is the time difference between Salt Lake City and Helena?
There is no time difference between Salt Lake City and Helena.
Flight carbon footprint between Salt Lake City International Airport (SLC) and Helena Regional Airport (HLN)
On average, flying from Salt Lake City to Helena 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 Salt Lake City to Helena
See the map of the shortest flight path between Salt Lake City International Airport (SLC) and Helena Regional Airport (HLN).
Airport information
| Origin | 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 |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
Airlines flying from Salt Lake City (SLC) to Helena (HLN)
| Delta Air Lines |