How far is Sacramento, CA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Sacramento (Sacramento International Airport) is 732 miles / 1179 kilometers / 636 nautical miles.
The driving distance from Helena (HLN) to Sacramento (SMF) is 1021 miles / 1643 kilometers, and travel time by car is about 17 hours 27 minutes.
Helena Regional Airport – Sacramento International Airport
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Distance from Helena to Sacramento
There are several ways to calculate the distance from Helena to Sacramento. Here are two standard methods:
Vincenty's formula (applied above)- 732.303 miles
- 1178.527 kilometers
- 636.354 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- 731.842 miles
- 1177.786 kilometers
- 635.954 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 Sacramento?
The estimated flight time from Helena Regional Airport to Sacramento International Airport is 1 hour and 53 minutes.
What is the time difference between Helena and Sacramento?
The time difference between Helena and Sacramento is 1 hour. Sacramento is 1 hour behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Sacramento International Airport (SMF)
On average, flying from Helena to Sacramento generates about 128 kg of CO2 per passenger, and 128 kilograms equals 282 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 Sacramento
See the map of the shortest flight path between Helena Regional Airport (HLN) and Sacramento International Airport (SMF).
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 | Sacramento International Airport |
|---|---|
| City: | Sacramento, CA |
| Country: | United States |
| IATA Code: | SMF |
| ICAO Code: | KSMF |
| Coordinates: | 38°41′43″N, 121°35′27″W |