How far is Helena, MT, from Sierra Vista, AZ?
The distance between Sierra Vista (Sierra Vista Municipal Airport) and Helena (Helena Regional Airport) is 1040 miles / 1673 kilometers / 903 nautical miles.
The driving distance from Sierra Vista (FHU) to Helena (HLN) is 1328 miles / 2137 kilometers, and travel time by car is about 23 hours 26 minutes.
Sierra Vista Municipal Airport – Helena Regional Airport
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Distance from Sierra Vista to Helena
There are several ways to calculate the distance from Sierra Vista to Helena. 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 Sierra Vista to Helena?
The estimated flight time from Sierra Vista Municipal Airport to Helena Regional Airport is 2 hours and 28 minutes.
What is the time difference between Sierra Vista and Helena?
Flight carbon footprint between Sierra Vista Municipal Airport (FHU) and Helena Regional Airport (HLN)
On average, flying from Sierra Vista to Helena 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 Sierra Vista to Helena
See the map of the shortest flight path between Sierra Vista Municipal Airport (FHU) and Helena Regional Airport (HLN).
Airport information
| Origin | 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 |
| 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 |