There are
2,164 mi
from San Mateo, CA to Wausau, WI
That's the driving distance. It would take 1 day 14 hours to go from San Mateo, California to Wausau, Wisconsin.
The flight distance (direct flight from San Mateo, CA to Wausau, WI) is 1,759.88 mi.
2,164 mi = 3.22 kms