# Distance between Austin, TX (AUS) and Houston, TX (IAH)

Flight distance from Austin to Houston (Austin–Bergstrom International Airport – Houston George Bush Intercontinental Airport) is 140 miles / 226 kilometers / 122 nautical miles. Estimated flight time is 45 minutes.

Driving distance from Austin (AUS) to Houston (IAH) is 158 miles / 254 kilometers and travel time by car is about 3 hours 5 minutes.

140
Miles
226
Kilometers
122
Nautical miles

## How far is Houston from Austin?

There are several ways to calculate distances between Los Angeles and Chicago. 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).

## How long does it take to fly from Austin to Houston?

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, 46 kilograms is equal to 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

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
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
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W