How far is Round Rock, TX from San Antonio, TX?
Distance by Flight
Shortest distance between Round Rock and San Antonio is 89.38 miles (143.85 km).
Flight distance from Round Rock, TX to San Antonio, TX is 89.38 miles. Estimated flight time is 00 hours 14 minutes.
It takes 00 hours 13 minutes to travel from Round Rock to San Antonio with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Round Rock, Texas to San Antonio, Texas is: 119.99 miles (193.11 km) by car.
Driving from Round Rock to San Antonio will take approximately 01 hours 45 minutes.
#1 Round Rock
The fourth most populous city in Williamson County, Texas. It is located in the northern part of the county. Round Rock is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Round Rock Express stadium and the Round Rock Public Library.
| Population | 137575 |
|---|---|
| GPS Coordinates | 30°30'30"N 97°40'44"W |
| Latitude | 30.5082600 |
| Longitude | -97.6789000 |
| Altitude | 224 |
| 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 Round Rock and San Antonio
The distance between Round Rock and San Antonio is 193 km if you choose to drive by road. You can go 02 hours 08 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 Round Rock and San Antonio. The current time is 21:38:07.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 03 hours 59 minutes |
| 40 mph (64.37 km/h) | 03 hours 00 minutes |
| 50 mph (80.47 km/h) | 02 hours 23 minutes |
| 60 mph (96.56 km/h) | 01 hours 59 minutes |
| 70 mph (112.65 km/h) | 01 hours 42 minutes |
| 75 mph (120.7 km/h) | 01 hours 35 minutes |
| 80 mph (128.75 km/h) | 01 hours 29 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 16.03 liters (4.23 gallon) of gas to cover the route between Round Rock and San Antonio.
The estimated cost of gas to go from Round Rock to San Antonio is $12.79 (diesel $16.91).
Texas gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.02 | $3.45 | $3.78 | $3.99 |
| Total | $12.79 | $14.59 | $15.99 | $16.91 |
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 May 10, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Round Rock 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.
