There are 78.69 miles from Effingham to Williamsville in northwest direction and 115 miles (185.07 kilometers) by car, following the I-70 W route.
Effingham and Williamsville are 2 hours 21 mins far apart, if you drive non-stop .
This is the fastest route from Effingham, IL to Williamsville, IL. The halfway point is Pana, IL.
Effingham, IL and Williamsville, IL are in the same time zone (CDT). Current time in both locations is 6:56 pm.
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