There are
1,807 mi
from St Louis, MO to Tehachapi, CA
That's the driving distance. It would take 1 day 7 hours to go from St Louis, Missouri to Tehachapi, California.
The flight distance (direct flight from St Louis, MO to Tehachapi, CA) is 1,573.49 mi.
1,807 mi = 1.61 kms