There are
2,221 mi
from Sunnyvale, CA to Appleton, WI
That's the driving distance. It would take 1 day 15 hours to go from Sunnyvale, California to Appleton, Wisconsin.
The flight distance (direct flight from Sunnyvale, CA to Appleton, WI) is 1,807.51 mi.
2,221 mi = 3.22 kms