There are
1,452 mi
from Rancho Cucamonga, CA to Robstown, TX
That's the driving distance. It would take 1 day to go from Rancho Cucamonga, California to Robstown, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Robstown, TX) is 1,256.05 mi.
1,452 mi = 1.61 kms