There are 1,941.95 miles from Columbus to Ontario in southwest direction and 2,203 miles (3,545.38 kilometers) by car, following the I-40 route.
Columbus and Ontario are 1 day 14 hours far apart, if you drive non-stop.
This is the fastest route from Columbus, OH to Ontario, CA. The halfway point is McLean, TX.
Please note the time difference between Columbus, OH and Ontario, CA is 3 hours. The current time in Columbus is 2:44 am (Nov 23) and the current time in Ontario is 11:44 pm (Nov 22).
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