How far is Sierra Vista, AZ, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Sierra Vista (Sierra Vista Municipal Airport) is 1040 miles / 1673 kilometers / 903 nautical miles.
The driving distance from Helena (HLN) to Sierra Vista (FHU) is 1327 miles / 2136 kilometers, and travel time by car is about 23 hours 27 minutes.
Helena Regional Airport – Sierra Vista Municipal Airport
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Distance from Helena to Sierra Vista
There are several ways to calculate the distance from Helena to Sierra Vista. Here are two standard methods:
Vincenty's formula (applied above)- 1039.695 miles
- 1673.227 kilometers
- 903.470 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- 1041.317 miles
- 1675.838 kilometers
- 904.880 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 Sierra Vista?
The estimated flight time from Helena Regional Airport to Sierra Vista Municipal Airport is 2 hours and 28 minutes.
What is the time difference between Helena and Sierra Vista?
The time difference between Helena and Sierra Vista is 1 hour. Sierra Vista is 1 hour behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Sierra Vista Municipal Airport (FHU)
On average, flying from Helena to Sierra Vista generates about 153 kg of CO2 per passenger, and 153 kilograms equals 338 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 Sierra Vista
See the map of the shortest flight path between Helena Regional Airport (HLN) and Sierra Vista Municipal Airport (FHU).
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 | Sierra Vista Municipal Airport |
|---|---|
| City: | Sierra Vista, AZ |
| Country: | United States |
| IATA Code: | FHU |
| ICAO Code: | KFHU |
| Coordinates: | 31°35′18″N, 110°20′38″W |