How far is Helena, MT, from Austin, TX?
The distance between Austin (Austin–Bergstrom International Airport) and Helena (Helena Regional Airport) is 1368 miles / 2202 kilometers / 1189 nautical miles.
The driving distance from Austin (AUS) to Helena (HLN) is 1724 miles / 2774 kilometers, and travel time by car is about 30 hours 30 minutes.
Austin–Bergstrom International Airport – Helena Regional Airport
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Distance from Austin to Helena
There are several ways to calculate the distance from Austin to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1368.176 miles
- 2201.865 kilometers
- 1188.912 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- 1368.741 miles
- 2202.775 kilometers
- 1189.403 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 Austin to Helena?
The estimated flight time from Austin–Bergstrom International Airport to Helena Regional Airport is 3 hours and 5 minutes.
What is the time difference between Austin and Helena?
The time difference between Austin and Helena is 1 hour. Helena is 1 hour behind Austin.
Flight carbon footprint between Austin–Bergstrom International Airport (AUS) and Helena Regional Airport (HLN)
On average, flying from Austin to Helena generates about 171 kg of CO2 per passenger, and 171 kilograms equals 377 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Austin to Helena
See the map of the shortest flight path between Austin–Bergstrom International Airport (AUS) and Helena Regional Airport (HLN).
Airport information
| Origin | Austin–Bergstrom International Airport |
|---|---|
| City: | Austin, TX |
| Country: | United States  |
| IATA Code: | AUS |
| ICAO Code: | KAUS |
| Coordinates: | 30°11′40″N, 97°40′11″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 |