There are
1,403 mi
from Santa Clarita, CA to Southlake, TX
That's the driving distance. It would take 1 day to go from Santa Clarita, California to Southlake, Texas.
The flight distance (direct flight from Santa Clarita, CA to Southlake, TX) is 1,232.89 mi.
1,403 mi = 2,258.53 kms