How far is Austin, TX, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and Austin (Austin–Bergstrom International Airport) is 140 miles / 226 kilometers / 122 nautical miles.
The driving distance from Houston (IAH) to Austin (AUS) is 158 miles / 254 kilometers, and travel time by car is about 3 hours 8 minutes.
Houston George Bush Intercontinental Airport – Austin–Bergstrom International Airport
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Distance from Houston to Austin
There are several ways to calculate the distance from Houston to Austin. Here are two standard 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 planet.
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).
How long does it take to fly from Houston to Austin?
The estimated flight time from Houston George Bush Intercontinental Airport to Austin–Bergstrom International Airport is 45 minutes.
What is the time difference between Houston and Austin?
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Austin–Bergstrom International Airport (AUS)
On average, flying from Houston to Austin generates about 46 kg of CO2 per passenger, and 46 kilograms equals 101 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Houston to Austin
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Austin–Bergstrom International Airport (AUS).
Airport information
| Origin | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″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 |
Airlines flying from Houston (IAH) to Austin (AUS)
| United Airlines |