The flight distance from Houston Metropolitan Area to San Antonio, Texas is:

193 miles / 311 km

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Flight path from QHO to San Antonio, TX

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Distance from QHO to San Antonio, TX

The total distance from QHO to San Antonio, TX is 193 miles.

This is equivalent to 311 kilometers or 168 nautical miles.

Your trip begins at Houston Metropolitan Area in Houston, Texas.
It ends in San Antonio, Texas.

Your flight direction from QHO to San Antonio, TX is West (-97 degrees from North).

The distance calculator helps you figure out how far it is to fly from QHO to San Antonio, TX. It does this by computing the straight line flying distance ("as the crow flies"). It uses the great circle formula to compute the total travel mileage.

Houston Metropolitan Area

IATA: QHO
City: Houston
State: Texas
Country: United States
Category: airports

San Antonio, Texas

City: San Antonio
State: Texas
Country: United States
Category: cities

Flight distance calculator

Travelmath provides an online flight distance calculator to get the distance between cities. You can also compare all types of locations including airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.