There are
1,728 mi
from Richardson, TX to Rancho Cordova, CA
That's the driving distance. It would take 1 day 6 hours to go from Richardson, Texas to Rancho Cordova, California.
The flight distance (direct flight from Richardson, TX to Rancho Cordova, CA) is 1,426.79 mi.
1,728 mi = 1.61 kms