Distance from San Antonio to Houston by Car and Plane

The flight distance from San Antonio (TX) to Houston (TX) is 190 miles or 306 kilometers or 165 nautical miles.
Driving distance from San Antonio to Houston is 198 miles (319 kilometers).
Difference between fly and travel by a car is 8 miles or 13 km.

Flight distance from San Antonio, TX to Houston, TX in miles and km?

The air travel (bird fly) shortest distance between San Antonio and Houston is 190 miles or 306 km.
The nearest airport to San Antonio, is San Antonio International Airport (SAT) and the nearest airport to Houston, is George Bush Intercontinental Houston Airport (IAH).

What is the average flight time from San Antonio to Houston?

Flight time from San Antonio, TX to Houston, TX is 0 hours 26 minutes under average conditions.
Exact flight times may vary depending on aircraft type, weather conditions, baggage load, and other environmental factors.

San Antonio to Houston Flight Route Map

Map Showing the Distance Between San Antonio, TX and Houston, TX
This map shows the distance from San Antonio, TX, Usa to Houston, TX, Usa. You can also see the distance in miles and km below the map. Flight route map from San Antonio, Texas to Houston, Texas is displayed below.

Driving distance from San Antonio, TX to Houston, TX

The driving distance from San Antonio, Texas to Houston, Texas is 198 miles or 319 km.
The total driving distance from San Antonio, TX to Houston, TX is 198 miles or 319 kilometers. Your trip begins in San Antonio, Texas. It ends in Houston, Texas.
The driving distance from San Antonio, Texas to Houston, Texas is approximately 198 miles (319 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 3 to 4 hours under normal conditions.

Driving time from San Antonio, TX to Houston, TX

How long is the drive from San Antonio, TX to Houston, TX?
The total driving time is 3 hours, 35 minutes.
How long does a car ride from San Antonio to Houston take?
San Antonio and Houston are 3 hours 35 mins far apart, if you drive non-stop.
Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.

Time Difference between San Antonio and Houston

Time difference between San Antonio (TX) and Houston (TX) is 1 Hours.
Houston time is 1 Hours ahead of San Antonio.

Current local time in San AntonioCurrent local time in Houston
2025-12-19, 18:37:18 MST2025-12-19, 19:37:18 CST
How Far is it Between San Antonio Texas, USA and Houston Texas, USA?

You can compare air and road distance between San Antonio, TX and Houston, TX in this summary table of distances in miles, kilometers and nautical miles.

Distance type Miles Kilometers Nautical miles
Driving distance 198 mi 319 km 171.94 nmi
Straight line distance 190 mi 306 km 165 nmi
Difference 8 mi 13 km 6 nmi

San Antonio Details

San Antonio is located in Texas, USA.

GPS CoordinatesLatitude: N 29° 27' 57.4'' Longitude: W 98° 31' 28.9''
Latitude29.46594
Longitude-98.5247
StateTexas
Nearest airports to San Antonio

View San Antonio Map

Houston Details

Houston is located in Texas, USA.

GPS CoordinatesLatitude: N 29° 47' 8.7'' Longitude: W 95° 23' 19.7''
Latitude29.78574
Longitude-95.38881
StateTexas
Nearest airports to Houston

View Houston Map


Estimated Travel Time by Car Between San Antonio, TX and Houston, TX
Average SpeedTravel Time
30 mph (48 km/h) 6 hours 38 minutes
40 mph (64 km/h) 4 hours 59 minutes
45 mph (72 km/h) 4 hours 25 minutes
50 mph (80 km/h) 3 hours 59 minutes
55 mph (88 km/h) 3 hours 37 minutes
60 mph (96 km/h) 3 hours 19 minutes
65 mph (104 km/h) 3 hours 4 minutes
70 mph (112 km/h) 2 hours 50 minutes
75 mph (120 km/h) 2 hours 39 minutes
80 mph (128 km/h) 2 hours 29 minutes
85 mph (136 km/h) 2 hours 20 minutes