There are 779.91 miles from Clayton to Alton in west direction and 926 miles (1,490.25 kilometers) by car, following the I-70 route.
Clayton and Alton are 14 hours 8 mins far apart, if you drive non-stop .
This is the fastest route from Clayton, DE to Alton, IL.
Please note the time difference between Clayton, DE and Alton, IL is 1 hour. The current time in Clayton is 6:24 am and the current time in Alton is 5:24 am.
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