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How far is Houston, TX, from Austin, TX?

The distance between Austin (Austin–Bergstrom International Airport) and Houston (Houston George Bush Intercontinental Airport) is 140 miles / 226 kilometers / 122 nautical miles.

The driving distance from Austin (AUS) to Houston (IAH) is 158 miles / 254 kilometers, and travel time by car is about 3 hours 9 minutes.

Austin–Bergstrom International Airport – Houston George Bush Intercontinental Airport

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140
Miles
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226
Kilometers
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122
Nautical miles

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Distance from Austin to Houston

There are several ways to calculate the distance from Austin to Houston. 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 Austin to Houston?

The estimated flight time from Austin–Bergstrom International Airport to Houston George Bush Intercontinental Airport is 45 minutes.

What is the time difference between Austin and Houston?

There is no time difference between Austin and Houston.

Flight carbon footprint between Austin–Bergstrom International Airport (AUS) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Austin to Houston 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 Austin to Houston

See the map of the shortest flight path between Austin–Bergstrom International Airport (AUS) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin Austin–Bergstrom International Airport
City: Austin, TX
Country: United States Flag of United States
IATA Code: AUS
ICAO Code: KAUS
Coordinates: 30°11′40″N, 97°40′11″W
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Airlines flying from Austin (AUS) to Houston (IAH)

United Airlines