There are
2,232 mi
from San Mateo, CA to De Pere, WI
That's the driving distance. It would take 1 day 15 hours to go from San Mateo, California to De Pere, Wisconsin.
The flight distance (direct flight from San Mateo, CA to De Pere, WI) is 1,834.19 mi.
2,232 mi = 3.22 kms