There are
2,597 mi
from Rockville, MD to Tehachapi, CA
That's the driving distance. It would take 1 day 22 hours to go from Rockville, Maryland to Tehachapi, California.
The flight distance (direct flight from Rockville, MD to Tehachapi, CA) is 2,272.23 mi.
2,597 mi = 4,179.70 kms