How far is Houston from Austin?
There are several ways to calculate distances between Austin and Houston. 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 Austin–Bergstrom International Airport (AUS) to George Bush Intercontinental Airport (IAH) is 45 minutes.
Time difference and current local times
There is no time difference between Austin and Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 44 kg (98 pounds).
Austin to Houston flight map.
Frequent Flyer Miles Calculator
Austin (AUS) → Houston (IAH).