Air Miles Calculator

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 214 miles / 344 kilometers and travel time by car is about 3 hours 47 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 Flag of 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 Flag of 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.

Time Difference

Houston, TX

 CDT

San Antonio, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 52 kg (114 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?