There are
2,044 mi
from Roseville, CA to Wausau, WI
That's the driving distance. It would take 1 day 11 hours to go from Roseville, California to Wausau, Wisconsin.
The flight distance (direct flight from Roseville, CA to Wausau, WI) is 1,673 mi.
2,044 mi = 3.22 kms