There are
2,668 mi
from Wilmington, DE to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 23 hours to go from Wilmington, Delaware to Rancho Cucamonga, California.
The flight distance (direct flight from Wilmington, DE to Rancho Cucamonga, CA) is 2,333.17 mi.
2,668 mi = 3.22 kms