There are
92 mi
from West Allis, WI to Sycamore, IL
That's the driving distance. It would take 2 hours 7 mins to go from West Allis, Wisconsin to Sycamore, Illinois.
The flight distance (direct flight from West Allis, WI to Sycamore, IL) is 79.01 mi.
92 mi = 148.56 kms