There are
1,708 mi
from Boise, ID to Pewaukee, WI
That's the driving distance. It would take 1 day 5 hours to go from Boise, Idaho to Pewaukee, Wisconsin.
The flight distance (direct flight from Boise, ID to Pewaukee, WI) is 1,402.06 mi.
1,708 mi = 1.61 kms