The distance from Dallas, Texas to San Antonio, Texas is:

275 miles / 443 km driving

252 miles / 406 km flying

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Map of distance from Dallas, TX to San Antonio, TX

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Distance from Dallas, TX to San Antonio, TX

The total driving distance from Dallas, TX to San Antonio, TX is 275 miles or 443 kilometers.

The total straight line flight distance from Dallas, TX to San Antonio, TX is 252 miles.

This is equivalent to 406 kilometers or 219 nautical miles.

Your trip begins in Dallas, Texas. It ends in San Antonio, Texas.

Your flight direction from Dallas, TX to San Antonio, TX is Southwest (-156 degrees from North).

The distance calculator helps you figure out how far it is to get from Dallas, TX to San Antonio, TX. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Dallas, Texas

City: Dallas
State: Texas
Country: United States
Category: cities

San Antonio, Texas

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

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. 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. You can also print out pages with a travel map.