There are
1,402 mi
from Lewisville, TX to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day to go from Lewisville, Texas to Rancho Cucamonga, California.
The flight distance (direct flight from Lewisville, TX to Rancho Cucamonga, CA) is 1,186.03 mi.
1,402 mi = 1.61 kms