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

Distance by Flight

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

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

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

Driving distance

The driving distance from San Antonio, Texas to Houston, Texas is: 197.29 miles (317.51 km) by car.

Driving from San Antonio to Houston will take approximately 02 hours 58 minutes.

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#1 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
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#2 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

Estimated Travel Time Between San Antonio and Houston

The distance between San Antonio and Houston is 318 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 San Antonio and Houston. The current time is 04:06:19.

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 26.35 liters (6.96 gallon) of gas to cover the route between San Antonio and Houston.
The estimated cost of gas to go from San Antonio to Houston is $21.03 (diesel $27.8).

Texas gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.02 $3.45 $3.78 $3.99
Total $21.03 $23.98 $26.3 $27.8

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 23, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between San Antonio and Houston (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 Arlington, TX to San Antonio 297 miles (478 km)

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Driving distance from Austin, TX to San Antonio 79.62 miles (128 km)

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Driving distance from Brownsville, TX to San Antonio 277.15 miles (446 km)

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Driving distance from Corpus Christi, TX to San Antonio 143.62 miles (231 km)

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Driving distance from Dallas, TX to San Antonio 293.19 miles (472 km)

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Driving distance from Fort Worth, TX to San Antonio 284.25 miles (457 km)

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Driving distance from Frisco, TX to San Antonio 319.04 miles (513 km)

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Driving distance from Garland, TX to San Antonio 443.83 miles (714 km)

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Driving distance from Grand Prairie, TX to San Antonio 300.22 miles (483 km)

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Driving distance from Irving, TX to San Antonio 301.64 miles (485 km)

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Driving distance from Laredo, TX to San Antonio 158.56 miles (255 km)

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