Saint Charles, Missouri to San Antonio: Road Trip Guide & Distance

791.9 miles 1274.5 km · straight line
903.3 miles actual route 1453.8 km · driving distance
16h 41min estimated drive time
$87 - $107 estimated fuel cost
~2h 6min flight time
218° SW bearing direction

How far is Saint Charles, Missouri from San Antonio?

The distance from Saint Charles, Missouri to San Antonio is 791.9 miles (1274.5 km) as the crow flies. San Antonio is located SW of Saint Charles, Missouri. By car, the driving distance is approximately 903.3 miles, taking about 16h 41min. A direct flight would take roughly 2h 6min. Both are located in United States — Saint Charles, Missouri in Missouri and San Antonio in Texas.

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. 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. 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 Saint Charles, Missouri 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 Saint Charles, Missouri to San Antonio

Method Time Est. Cost Best For
Drive 16h 41min $87 - $107 Flexible stops
Fly ~2h 6min $80–200* Speed
Bus ~20h 1min $72–$135* Budget
Train ~21h 41min $108–$316* Comfort

Suggested Stops Between Saint Charles, Missouri & San Antonio

Quick Facts

Saint Charles, Missouri
38.78°N, 90.48°W
America/Chicago
147m 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 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