There are
1,847 mi
from Dubuque, IA to Tehachapi, CA
That's the driving distance. It would take 1 day 8 hours to go from Dubuque, Iowa to Tehachapi, California.
The flight distance (direct flight from Dubuque, IA to Tehachapi, CA) is 1,571.62 mi.
1,847 mi = 2,973.18 kms