There are 182.01 miles from Ontario to O'Hare International Airport (ORD) in southeast direction and 231 miles (371.76 kilometers) by car, following the I-39 S and I-90 route.
Ontario and ORD Airport are 3 hours 44 mins far apart, if you drive non-stop .
This is the fastest route from Ontario, WI to ORD Airport. The halfway point is Cambridge, WI.
Ontario, WI and ORD Airport are in the same time zone (CDT). Current time in both locations is 2:02 pm.
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