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.
#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 |
#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 |
Ending point in San Antonio: Dolorosa Street (-98.493645,29.424163)
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 20:02:29.
| 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 April 18, 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.
