Ontario to San Antonio: Road Trip Guide & Distance
How far is Ontario from San Antonio?
The distance from Ontario to San Antonio is 1168.4 miles (1880.3 km) as the crow flies. San Antonio is located E of Ontario. By car, the driving distance is approximately 1318.4 miles, taking about 22h 19min. A direct flight would take roughly 2h 51min. Both are located in United States — Ontario in California 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. 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 Ontario 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 Ontario to San Antonio
Suggested Stops Between Ontario & San Antonio
- 1323 mi
- 2667 mi
- 3337 mi
- 4640 mi
- 5357 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 389 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 97 hours
- You could travel this distance about 21.3 times to circle the Earth's equator