There are
939 mi
from Tucson, AZ to Southlake, TX
That's the driving distance. It would take 16 hours 1 min to go from Tucson, Arizona to Southlake, Texas.
The flight distance (direct flight from Tucson, AZ to Southlake, TX) is 803.92 mi.
939 mi = 1,511.85 kms