Distance between Houston, TX (HOU) and Austin, TX (AUS)
Flight distance from Houston to Austin (Houston William P. Hobby Airport – Austin–Bergstrom International Airport) is 148 miles / 239 kilometers / 129 nautical miles. Estimated flight time is 46 minutes.
Driving distance from Houston (HOU) to Austin (AUS) is 171 miles / 276 kilometers and travel time by car is about 3 hours 12 minutes.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Houston - Austin
Map of flight path and driving directions from Houston to Austin.
Shortest flight path between Houston William P. Hobby Airport (HOU) and Austin–Bergstrom International Airport (AUS).
How far is Austin from Houston?
There are several ways to calculate distances between Houston and Austin. Here are two common methods:
Vincenty's formula (applied above)- 148.363 miles
- 238.766 kilometers
- 128.924 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 148.122 miles
- 238.380 kilometers
- 128.715 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).
Airport information
| A | Houston William P. Hobby Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | HOU |
| ICAO Code: | KHOU |
| Coordinates: | 29°38′43″N, 95°16′44″W |
| B | 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 |
Time difference and current local times
There is no time difference between Houston and Austin.
Time Difference
Houston, TX
Austin, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 45 kg (100 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → Austin (AUS).
In total
Round trip?