How far is Houston, TX from San Antonio, TX?

Distance by Flight

Shortest distance between Houston and San Antonio is 189.52 miles (305 km).

Flight distance from Houston, TX to San Antonio, TX is 189.52 miles. Estimated flight time is 00 hours 23 minutes.

It takes 00 hours 21 minutes to travel from Houston to San Antonio with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Houston, Texas to San Antonio, Texas is: 197.19 miles (317.35 km) by car.

Driving from Houston to San Antonio will take approximately 02 hours 56 minutes.

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#1 Houston

The fourth most populous city in the United States and the center of the Houston metropolitan area. It is located on the Gulf of Mexico, in southeastern Texas. Houston is a major center for the oil and gas industry.

Population 2316120
GPS Coordinates 29°45'48"N 95°21'48"W
Latitude 29.7632800
Longitude -95.3632700
Altitude 12
Country United States
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#2 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area. It is located on the San Antonio River, in southern Texas. San Antonio is a major center for the tourism industry.

Population 1567118
GPS Coordinates 29°25'27"N 98°29'37"W
Latitude 29.4241200
Longitude -98.4936300
Altitude 198
Country United States

Estimated Travel Time Between Houston and San Antonio

The distance between Houston and San Antonio is 317 km if you choose to drive by road. You can go 03 hours 31 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Houston and San Antonio. The current time is 10:29:32.

Average Speed Travel Time
30 mph (48.3 km/h) 06 hours 34 minutes
40 mph (64.37 km/h) 04 hours 55 minutes
50 mph (80.47 km/h) 03 hours 56 minutes
60 mph (96.56 km/h) 03 hours 17 minutes
70 mph (112.65 km/h) 02 hours 49 minutes
75 mph (120.7 km/h) 02 hours 37 minutes
80 mph (128.75 km/h) 02 hours 27 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 26.34 liters (6.96 gallon) of gas to cover the route between Houston and San Antonio.
The estimated cost of gas to go from Houston to San Antonio is $21.02 (diesel $27.78).

Texas gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.02 $3.45 $3.78 $3.99
Total $21.02 $23.97 $26.28 $27.78

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price (in Texas ) per gallon of daily gas for calculations is $3.021 (Diesel $3.993) /gallon. Last changed prices on December 26, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Houston and San Antonio (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from San José, 08 to Houston 2374.17 miles (3821 km)

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Driving distance from Miami, FL to Houston 1186.86 miles (1910 km)

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Driving distance from Arlington, TX to Houston 258.31 miles (416 km)

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Driving distance from Austin, TX to Houston 164.95 miles (265 km)

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Driving distance from Baytown, TX to Houston 25.68 miles (41 km)

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Driving distance from Bellaire, TX to Houston 11.57 miles (19 km)

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Driving distance from Brownsville, TX to Houston 356.58 miles (574 km)

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Driving distance from Brownwood, TX to Houston 25.04 miles (40 km)

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Driving distance from Corpus Christi, TX to Houston 210.85 miles (339 km)

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Driving distance from Dallas, TX to Houston 242.87 miles (391 km)

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Driving distance from Deer Park, TX to Houston 19.73 miles (32 km)

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Driving distance from Fort Worth, TX to Houston 264.82 miles (426 km)

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