There are
1,984 mi
from Rancho Cucamonga, CA to Deerfield, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Deerfield, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Deerfield, IL) is 1,699.69 mi.
1,984 mi = 1.61 kms