There are
916 mi
from Gresham, OR to Tehachapi, CA
That's the driving distance. It would take 17 hours 25 mins to go from Gresham, Oregon to Tehachapi, California.
The flight distance (direct flight from Gresham, OR to Tehachapi, CA) is 746.16 mi.
916 mi = 1,474.24 kms