There are 226.42 miles from Lemont to Grafton in southwest direction and 280 miles (450.62 kilometers) by car, following the I-55 S route.
Lemont and Grafton are 4 hours 33 mins far apart, if you drive non-stop .
This is the fastest route from Lemont, IL to Grafton, IL. The halfway point is Lincoln, IL.
Lemont, IL and Grafton, IL are in the same time zone (CDT). Current time in both locations is 1:48 am.
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