There are 2,100.68 miles from Pittsburgh to Ontario in southwest direction and 2,390 miles (3,846.33 kilometers) by car, following the I-40 route.
Pittsburgh and Ontario are 1 day 18 hours far apart, if you drive non-stop.
This is the fastest route from Pittsburgh, PA to Ontario, CA. The halfway point is Clinton, OK.
Please note the time difference between Pittsburgh, PA and Ontario, CA is 3 hours. The current time in Pittsburgh is 2:08 am (Nov 24) and the current time in Ontario is 11:08 pm (Nov 23).
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