Distance between San Antonio TX and Austin TX
The distance from San Antonio to Austin is 128 kilometers by road including 125 kilometers on motorways. Road takes approximately 1 hour and 13 minutes and goes through New Braunfels, San Marcos, Kyle, Live Oak and Selma.
| Shortest distance by air | 119 km ✈️ |
| Car route length | 128 km 🚗 |
| Driving time | 1 h 13 min |
| Fuel amount | 10.3 L |
| Fuel cost | 20.1 CAD |
| Point | Distance | Time | Fuel | |
| San Antonio | 0 km | 00 min | 0.0 L | |
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I 35 25 km, 15 min
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| Live Oak | 25 km | 15 min | 1.9 L | |
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I 35 4 km, 02 min
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| Selma | 29 km | 17 min | 2.1 L | |
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I 35 24 km, 13 min
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| New Braunfels | 53 km | 30 min | 3.2 L | |
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I 35 27 km, 14 min
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| San Marcos | 80 km | 45 min | 6.1 L | |
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I 35 11 km, 05 min
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| Kyle | 90 km | 51 min | 6.7 L | |
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I 35 38 km, 21 min
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| Austin | 128 km | 1 h 13 min | 8.5 L | |
Hotels of Austin
Frequently Asked Questions
How much does it cost to drive from San Antonio to Austin?
Fuel cost: 20.1 CAD
This fuel cost is calculated as: (Route length 128 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.96 CAD / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from San Antonio to Austin?
Driving time: 1 h 13 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 90 km with a maximum speed 110 km/h = 49 min
- 12 km with a maximum speed 105 km/h = 7 min
- 22 km with a maximum speed 97 km/h = 13 min
- 3 km with a maximum speed 80 km/h = 2 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is San Antonio to Austin by land?
The distance between San Antonio and Austin is 128 km by road including 125 km on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of San Antonio and Austin respectively.
How far is San Antonio to Austin by plane?
The shortest distance (air line, as the crow flies) between San Antonio and Austin is 119 km.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of San Antonio and Austin respectively. Actual distance between airports may be different.
How many hours is San Antonio from Austin by plane?
Boeing 737 airliner needs 8 min to cover the distance of 119 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 32 min to flight this distance at average speed of 220 km/h.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from San Antonio to Austin?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 29 min to cover the distance of 119 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 34 min to flight this distance at average speed of 210 km/h.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between San Antonio and Austin?
The halfway point between San Antonio and Austin is New Braunfels. It is located about 11 km from the exact midpoint by road.
The distance from New Braunfels to San Antonio is 53 km and driving will take about 30 min. The road between New Braunfels and Austin has length 75 km and will take approximately 42 min.
The other cities located close to halfway point:
Where is San Antonio in relation to Austin?
San Antonio is located 119 km south-west of Austin.
San Antonio has geographic coordinates: latitude 29.4246, longitude -98.49514.
Austin has geographic coordinates: latitude 30.27113, longitude -97.7437.
Which highway goes from San Antonio to Austin?
The route from San Antonio to Austin follows I 35.
Other minor sections pass along the road:
- US 290: 5 km
- I 410: 4 km