There are
1,412 mi
from Rancho Cucamonga, CA to Richardson, TX
That's the driving distance. It would take 1 day to go from Rancho Cucamonga, California to Richardson, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Richardson, TX) is 1,202.26 mi.
1,412 mi = 1.61 kms