There are
2,191 mi
from Diamond Bar, CA to Berea, KY
That's the driving distance. It would take 1 day 14 hours to go from Diamond Bar, California to Berea, Kentucky.
The flight distance (direct flight from Diamond Bar, CA to Berea, KY) is 1,883.93 mi.
2,191 mi = 3,525.37 kms