There are
1,390 mi
from Rancho Cucamonga, CA to Southlake, TX
That's the driving distance. It would take 23 hours 55 mins to go from Rancho Cucamonga, California to Southlake, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Southlake, TX) is 1,179.21 mi.
1,390 mi = 1.61 kms