Distance from San Antonio to Ontario by Car and Plane

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3. Distance Between San Antonio and Ontario

The flight distance from San Antonio (TX) to Ontario (CA) is 1166 miles or 1876 kilometers or 1013 nautical miles.
Driving distance from San Antonio to Ontario is 1314 miles (2116 kilometers).
Difference between fly and travel by a car is 148 miles or 240 km.

San Antonio to Ontario Flight Route Map

Map Showing the Distance Between San Antonio, TX and Ontario, CA
This map shows the distance from San Antonio, TX, Usa to Ontario, CA, Usa. You can also see the distance in miles and km below the map. Flight route map from San Antonio, Texas to Ontario, California is displayed below.

Driving distance from San Antonio, TX to Ontario, CA

The driving distance from San Antonio, Texas to Ontario, California is 1314 miles or 2116 km.
The total driving distance from San Antonio, TX to Ontario, CA is 1314 miles or 2116 kilometers. Your trip begins in San Antonio, Texas. It ends in Ontario, California.
The driving distance from San Antonio, Texas to Ontario, California is approximately 1314 miles (2116 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 22 to 23 hours under normal conditions.

Driving time from San Antonio, TX to Ontario, CA

How long is the drive from San Antonio, TX to Ontario, CA?
The total driving time is 22 hours, 18 minutes.
How long does a car ride from San Antonio to Ontario take?
San Antonio and Ontario are 22 hours 18 mins far apart, if you drive non-stop.

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Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.

Time Difference between San Antonio and Ontario

Time difference between San Antonio (TX) and Ontario (CA) is 1 Hours.
Ontario time is 1 Hours behind San Antonio.

Current local time in San Antonio	Current local time in Ontario
2026-04-01, 08:16:26 MDT	2026-04-01, 07:16:26 PDT

How Far is it Between San Antonio Texas, USA and Ontario California, USA?

You can compare air and road distance between San Antonio, TX and Ontario, CA in this summary table of distances in miles, kilometers and nautical miles.

Distance type	Miles	Kilometers	Nautical miles
Driving distance	1314 mi	2116 km	1141.08 nmi
Straight line distance	1166 mi	1876 km	1013 nmi
Difference	148 mi	240 km	128 nmi

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