There are
2,098 mi
from San Mateo, CA to Waunakee, WI
That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to Waunakee, Wisconsin.
The flight distance (direct flight from San Mateo, CA to Waunakee, WI) is 1,761.25 mi.
2,098 mi = 3.22 kms