There are
1,786 mi
from Overland Park, KS to Oakley, CA
That's the driving distance. It would take 1 day 6 hours to go from Overland Park, Kansas to Oakley, California.
The flight distance (direct flight from Overland Park, KS to Oakley, CA) is 1,458.62 mi.
1,786 mi = 1.61 kms