There are 177.38 miles from Centralia to Alton in southwest direction and 261.13 miles (420.25 kilometers) by car, following the I-57 and I-64 route.
Centralia and Alton are 4 hours 42 mins far apart, if you drive non-stop.
This is the fastest route from Centralia, IL to Alton, MO. The halfway point is .
Centralia, IL and Alton, MO are in the same time zone (CDT). Current time in both locations is 12:28 pm.
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