San Antonio to St. Louis: Road Trip Guide & Distance

792.9 miles 1276 km · straight line
901.8 miles actual route 1451.3 km · driving distance
16h 37min estimated drive time
$87 - $107 estimated fuel cost
~2h 6min flight time
35° NE bearing direction

How far is San Antonio from St. Louis?

The distance from San Antonio to St. Louis is 792.9 miles (1276 km) as the crow flies. St. Louis is located NE of San Antonio. By car, the driving distance is approximately 901.8 miles, taking about 16h 37min. A direct flight would take roughly 2h 6min. Both are located in United States — San Antonio in Texas and St. Louis in Missouri.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for San Antonio and St. Louis. 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 San Antonio to St. Louis

Method Time Est. Cost Best For
Drive 16h 37min $87 - $107 Flexible stops
Fly ~2h 6min $80–200* Speed
Bus ~19h 56min $72–$135* Budget
Train ~21h 36min $108–$316* Comfort

Suggested Stops Between San Antonio & St. Louis

Quick Facts

San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
St. Louis
38.63°N, 90.20°W
America/Chicago
142m elevation
Explore more routes from St. Louis

Did You Know?

  • At walking speed (3 mph), it would take about 264 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 66 hours
  • You could travel this distance about 31.4 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM