How far is Austin, TX from San Antonio, TX?
Fastest route
The distance between Austin, Texas, and San Antonio, Texas is approximately 79.1 miles (127.4 kilometers). The fastest route is via I-35 S, with an estimated travel time of 1 hour and 13 minutes. Here are the directions for the journey:
Directions
- Head south on Congress Ave. toward W 5th St.
- Pass by the lake on the right in 0.3 miles.
- Use the left 2 lanes to turn left onto E Riverside Dr.
- Slight right onto S I-35 Frontage Rd.
- Use the left lane to take the Interstate 35 ramp.
- Follow I-35 S to E Commerce St in San Antonio.
- Take exit 141A from I-37 S/US-281 S.
Tips & Suggestions
- 🚗 Tip: Plan your journey during off-peak traffic hours to avoid delays.
- 🛣️ Suggestion: Use GPS navigation to stay on track and receive real-time traffic updates.
- ⛽ Suggestion: Refuel your vehicle before starting the trip to ensure you have enough gas for the journey.
- 🍴 Suggestion: Consider stopping for a meal or snacks along the way to keep yourself energized.
- 🚧 Tip: Stay updated on road closures or construction work that might affect your route.
FAQs
Q: How long is the distance between Austin and San Antonio? A: The distance between Austin, Texas, and San Antonio, Texas is approximately 79.1 miles (127.4 kilometers).
Q: What is the estimated travel time for this route? A: The fastest route via I-35 S has an estimated travel time of 1 hour and 13 minutes.
Q: Are there any suggestions for the journey? A: Yes, consider planning your journey during off-peak traffic hours, using GPS navigation, refueling your vehicle, stopping for meals, and staying updated on road closures.
Q: What landmarks should I look for while on the route? A: You'll pass by a lake on the right in 0.3 miles as you head south on Congress Ave. in Austin.
Q: How do I reach San Antonio from Austin using the I-35 S route? A: To reach San Antonio from Austin, take I-35 S, follow the directions provided, and take exit 141A from I-37 S/US-281 S in San Antonio.
Distance by Flight
Shortest distance between Austin and San Antonio is 73.59 miles (118.44 km).
Flight distance from Austin, TX to San Antonio, TX is 73.59 miles. Estimated flight time is 00 hours 09 minutes.
It takes 00 hours 08 minutes to travel from Austin to San Antonio with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Austin, Texas to San Antonio, Texas is: 79.9 miles (128.58 km) by car.
Driving from Austin to San Antonio will take approximately 01 hours 20 minutes.
#1 Austin
The eleventh most populous city in the United States and the center of the Austin metropolitan area. It is located in central Texas. Austin is a major center for the technology industry and is home to the University of Texas at Austin.
| Population | 995484 |
|---|---|
| GPS Coordinates | 30°16'2"N 97°44'35"W |
| Latitude | 30.2671500 |
| Longitude | -97.7430600 |
| Altitude | 149 |
| 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 Austin and San Antonio
The distance between Austin and San Antonio is 129 km if you choose to drive by road. You can go 01 hours 25 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 Austin and San Antonio. The current time is 10:06:34.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 02 hours 39 minutes |
| 40 mph (64.37 km/h) | 01 hours 59 minutes |
| 50 mph (80.47 km/h) | 01 hours 35 minutes |
| 60 mph (96.56 km/h) | 01 hours 19 minutes |
| 70 mph (112.65 km/h) | 01 hours 08 minutes |
| 75 mph (120.7 km/h) | 01 hours 03 minutes |
| 80 mph (128.75 km/h) | 00 hours 59 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 10.67 liters (2.82 gallon) of gas to cover the route between Austin and San Antonio.
The estimated cost of gas to go from Austin to San Antonio is $8.52 (diesel $11.26).
Texas gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.02 | $3.45 | $3.78 | $3.99 |
| Total | $8.52 | $9.71 | $10.65 | $11.26 |
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 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Austin 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.
