Round Rock to San Antonio: Road Trip Guide & Distance

89.4 miles 143.9 km · straight line
97.3 miles actual route 156.6 km · driving distance
1h 51min estimated drive time
$9 - $12 estimated fuel cost
~41min flight time · usually no direct flights
213° SSW bearing direction

How far is Round Rock from San Antonio?

The distance from Round Rock to San Antonio is 89.4 miles (143.9 km) as the crow flies. San Antonio is located SSW of Round Rock. By car, the driving distance is approximately 97.3 miles, taking about 1h 51min. A direct flight would take roughly 41min. Both are located in United States.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Round Rock and San Antonio. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Round Rock to San Antonio

Method Time Est. Cost Best For
Drive 1h 51min $9 - $12 Flexible stops
Bus ~2h 13min $8–$15* Budget
Train ~1h 45min $12–$34* Comfort

Suggested Stops Between Round Rock & San Antonio

Quick Facts

Round Rock
30.51°N, 97.68°W
America/Chicago
224m elevation
San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
Explore more routes from San Antonio

Did You Know?

  • At walking speed (3 mph), it would take about 30 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 7 hours
  • You could travel this distance about 278.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM