There are
1,984 mi
from Oak Park, IL to Tehachapi, CA
That's the driving distance. It would take 1 day 10 hours to go from Oak Park, Illinois to Tehachapi, California.
The flight distance (direct flight from Oak Park, IL to Tehachapi, CA) is 1,712.12 mi.
1,984 mi = 3,192.14 kms