How far is Austin, TX, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Austin (Austin–Bergstrom International Airport) is 1368 miles / 2202 kilometers / 1189 nautical miles.
The driving distance from Helena (HLN) to Austin (AUS) is 1726 miles / 2777 kilometers, and travel time by car is about 30 hours 35 minutes.
Helena Regional Airport – Austin–Bergstrom International Airport
Search flights
Distance from Helena to Austin
There are several ways to calculate the distance from Helena to Austin. 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 Helena to Austin?
The estimated flight time from Helena Regional Airport to Austin–Bergstrom International Airport is 3 hours and 5 minutes.
What is the time difference between Helena and Austin?
The time difference between Helena and Austin is 1 hour. Austin is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Austin–Bergstrom International Airport (AUS)
On average, flying from Helena to Austin 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 Helena to Austin
See the map of the shortest flight path between Helena Regional Airport (HLN) and Austin–Bergstrom International Airport (AUS).
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 | 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 |