# 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 167 miles / 269 kilometers and travel time by car is about 2 hours 57 minutes.

## 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.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 47 kg (103 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Austin (AUS).

Distance:
148
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
148

Round trip?