# Distance between Houston, TX (HOU) and San Antonio, TX (SAT)

Flight distance from Houston to San Antonio (Houston William P. Hobby Airport – San Antonio International Airport) is 192 miles / 309 kilometers / 167 nautical miles. Estimated flight time is 51 minutes.

Driving distance from Houston (HOU) to San Antonio (SAT) is 211 miles / 340 kilometers and travel time by car is about 3 hours 36 minutes.

## Map of flight path and driving directions from Houston to San Antonio.

Shortest flight path between Houston William P. Hobby Airport (HOU) and San Antonio International Airport (SAT).

## How far is San Antonio from Houston?

There are several ways to calculate distances between Houston and San Antonio. Here are two common methods:

Vincenty's formula (applied above)
• 192.237 miles
• 309.375 kilometers
• 167.049 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
• 191.867 miles
• 308.780 kilometers
• 166.728 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 San Antonio International Airport
City: San Antonio, TX
Country: United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W

## Time difference and current local times

There is no time difference between Houston and San Antonio.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 53 kg (118 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → San Antonio (SAT).

Distance:
192
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
192

Round trip?