Map of flight path and driving directions from San Antonio to Houston.
Shortest flight path between San Antonio International Airport (SAT) and Houston George Bush Intercontinental Airport (IAH).
How far is Houston from San Antonio?
There are several ways to calculate distances between San Antonio and Houston. Here are two common methods:Vincenty's formula (applied above)
- 190.550 miles
- 306.661 kilometers
- 165.583 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
- 190.206 miles
- 306.106 kilometers
- 165.284 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).
|A||San Antonio International Airport|
|City:||San Antonio, TX|
|B||Houston George Bush Intercontinental Airport|
Time difference and current local times
There is no time difference between San Antonio and Houston.
San Antonio, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 51 kg (113 pounds).
Frequent Flyer Miles Calculator
San Antonio (SAT) → Houston (IAH).