There are
2,130 mi
from San Marcos, CA to Ashwaubenon, WI
That's the driving distance. It would take 1 day 14 hours to go from San Marcos, California to Ashwaubenon, Wisconsin.
The flight distance (direct flight from San Marcos, CA to Ashwaubenon, WI) is 1,738.66 mi.
2,130 mi = 3.22 kms