How far is Helena, MT, from Santa Maria, CA?
The distance between Santa Maria (Santa Maria Public Airport) and Helena (Helena Regional Airport) is 921 miles / 1482 kilometers / 800 nautical miles.
The driving distance from Santa Maria (SMX) to Helena (HLN) is 1303 miles / 2097 kilometers, and travel time by car is about 22 hours 42 minutes.
Santa Maria Public Airport – Helena Regional Airport
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Distance from Santa Maria to Helena
There are several ways to calculate the distance from Santa Maria to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 920.878 miles
- 1482.009 kilometers
- 800.221 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- 921.269 miles
- 1482.638 kilometers
- 800.561 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 Santa Maria to Helena?
The estimated flight time from Santa Maria Public Airport to Helena Regional Airport is 2 hours and 14 minutes.
What is the time difference between Santa Maria and Helena?
The time difference between Santa Maria and Helena is 1 hour. Helena is 1 hour ahead of Santa Maria.
Flight carbon footprint between Santa Maria Public Airport (SMX) and Helena Regional Airport (HLN)
On average, flying from Santa Maria to Helena generates about 145 kg of CO2 per passenger, and 145 kilograms equals 320 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Santa Maria to Helena
See the map of the shortest flight path between Santa Maria Public Airport (SMX) and Helena Regional Airport (HLN).
Airport information
| Origin | Santa Maria Public Airport |
|---|---|
| City: | Santa Maria, CA |
| Country: | United States  |
| IATA Code: | SMX |
| ICAO Code: | KSMX |
| Coordinates: | 34°53′56″N, 120°27′25″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 |