There are
2,645 mi
from Washington, DC to Tehachapi, CA
That's the driving distance. It would take 1 day 22 hours to go from Washington, District of Columbia to Tehachapi, California.
The flight distance (direct flight from Washington, DC to Tehachapi, CA) is 2,279.91 mi.
2,645 mi = 4,256.46 kms