The drive from Waco, TX to San Antonio, TX covers roughly 179 miles and typically takes 2 hr 45 min – 3 hr 15 min, mainly on I-35 South through Austin. Below you'll find the recommended route, major highways, worthwhile stops, airport alternatives, and a button to open live, current directions in Google Maps.
Distance and typical drive time
Waco, TX to San Antonio, TX is about 179 miles. A typical drive takes 2 hr 45 min – 3 hr 15 min, though your actual time depends on traffic, weather, and construction — these are typical estimates, not live traffic.
This is essentially the Waco-to-Austin drive continued south. Austin traffic is the main variable; beyond San Marcos the interstate generally flows well into San Antonio.
Best route and highways
Primary route: I-35 South through Austin. Main highways on this trip: I-35.
Alternate route: SH-130 (toll) around the east side of Austin to avoid downtown congestion.
Toll information: I-35 is toll-free, but SH-130 around Austin is a toll road. San Antonio’s core is toll-free.
Where to stop along the way
Good places to break up the Temple / Belton, Austin, New Braunfels corridor include:
Temple / Belton — First major services south of Waco.
Austin — The largest city on the route — a logical stretch or meal break.
New Braunfels — Schlitterbahn, the Comal River, and Gruene Historic District.
Flying instead of driving
If you'd rather fly, the most relevant airports for this trip are: San Antonio International (SAT), Austin-Bergstrom International (AUS).
Waco Regional Airport (ACT) offers limited commercial service, so many travelers to and from the Waco area also use larger airports in Dallas–Fort Worth or Austin.
Frequently asked questions
How far is Waco, TX from San Antonio, TX?
It's approximately 179 miles by road via I-35 South through Austin.
How long does it take to drive from Waco, TX to San Antonio, TX?
A typical drive takes 2 hr 45 min – 3 hr 15 min, depending on traffic, weather, and construction. Use the live directions button for a current estimate.
What is the best route from Waco, TX to San Antonio, TX?
Most drivers take I-35 South through Austin. A useful alternate is SH-130 (toll) around the east side of Austin to avoid downtown congestion.
Are there tolls between Waco, TX and San Antonio, TX?
I-35 is toll-free, but SH-130 around Austin is a toll road. San Antonio’s core is toll-free.
Last verified September 19, 2026
Details like hours, prices, routes, boundaries, and availability can change. This page is provided for general information — always confirm current details with the official source before you rely on them.