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)
- 140.223 miles
- 225.667 kilometers
- 121.851 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
- 139.956 miles
- 225.238 kilometers
- 121.619 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).
Estimated flight time from George Bush Intercontinental Airport (IAH) to Austin–Bergstrom International Airport (AUS) is 45 minutes.
Time difference and current local times
There is no time difference between Houston and Austin.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 42 kg (93 pounds).
Houston to Austin flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → Austin (AUS).