There are
1,424 mi
from Rancho Cucamonga, CA to Rockwall, TX
That's the driving distance. It would take 1 day to go from Rancho Cucamonga, California to Rockwall, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Rockwall, TX) is 1,217.89 mi.
1,424 mi = 1.61 kms