There are
2,050 mi
from Diamond Bar, CA to Appleton, WI
That's the driving distance. It would take 1 day 12 hours to go from Diamond Bar, California to Appleton, Wisconsin.
The flight distance (direct flight from Diamond Bar, CA to Appleton, WI) is 1,714.41 mi.
2,050 mi = 3,298.50 kms