There are 187.93 miles from Alton to Calhoun in west direction and 229 miles (368.54 kilometers) by car, following the I-70 W route.
Alton and Calhoun are 3 hours 46 mins far apart, if you drive non-stop .
This is the fastest route from Alton, IL to Calhoun, MO. The halfway point is Kingdom City, MO.
Alton, IL and Calhoun, MO are in the same time zone (CDT). Current time in both locations is 6:41 am.
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