There are
1,890 mi
from Rancho Cucamonga, CA to Monroe, WI
That's the driving distance. It would take 1 day 9 hours to go from Rancho Cucamonga, California to Monroe, Wisconsin.
The flight distance (direct flight from Rancho Cucamonga, CA to Monroe, WI) is 1,615.17 mi.
1,890 mi = 1.61 kms