Distance from San Antonio to Houston

Distance between San Antonio and Houston is 305 kilometers (190 miles).
Driving distance from San Antonio to Houston is 317 kilometers (197 miles).

305 km

190 miles

317 km

197 miles

Distance Map Between San Antonio and Houston

San Antonio, Austin, United States ↔ Houston, Austin, United States = 190 miles = 305 km.

How far is it between San Antonio and Houston

San Antonio is located in United States with (29.4241,-98.4936) coordinates and Houston is located in United States with (29.7633,-95.3633) coordinates. The calculated flying distance from San Antonio to Houston is equal to 190 miles which is equal to 305 km.

If you want to go by car, the driving distance between San Antonio and Houston is 317.17 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 02 hours 49 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 12 km.

City/Place	Latitude and Longitude	GPS Coordinates
San Antonio	29.4241, -98.4936	29° 25´ 26.8320'' N 98° 29´ 37.0680'' W
Houston	29.7633, -95.3633	29° 45´ 47.8080'' N 95° 21´ 47.7720'' W

Estimated Travel Time Between San Antonio and Houston

Average Speed	Travel Time
30 mph (48 km/h)	06 hours 36 minutes
40 mph (64 km/h)	04 hours 57 minutes
50 mph (80 km/h)	03 hours 57 minutes
60 mph (97 km/h)	03 hours 16 minutes
70 mph (112 km/h)	02 hours 49 minutes
75 mph (120 km/h)	02 hours 38 minutes

San Antonio, Austin, United States

Related Distances from San Antonio

Cities	Distance
San Antonio to Houston	317 km
San Antonio to Corpus Christi	231 km
San Antonio to Dallas	441 km
San Antonio to Galveston	398 km
San Antonio to College Station	289 km

Houston, Austin, United States

Related Distances to Houston

Cities	Distance
San Antonio to Houston	317 km
AUSTIN to Houston	263 km
El Paso to Houston	1201 km
Waco to Houston	298 km
Spring to Houston	39 km