There are
2,218 mi
from Palo Alto, CA to Appleton, WI
That's the driving distance. It would take 1 day 15 hours to go from Palo Alto, California to Appleton, Wisconsin.
The flight distance (direct flight from Palo Alto, CA to Appleton, WI) is 1,810.59 mi.
2,218 mi = 3,568.73 kms