There are 20.89 miles from San Bernardino to Ontario in west direction and 24 miles (38.62 kilometers) by car, following the I-10 route.
San Bernardino and Ontario are 32 minutes far apart, if you drive non-stop.
This is the fastest route from San Bernardino, CA to Ontario, CA. The halfway point is Fontana, CA.
San Bernardino, CA and Ontario, CA are in the same time zone (Pacific Daylight Time). Current time in both locations is 11:39 am.
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