There are
1,939 mi
from Aurora, IL to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 9 hours to go from Aurora, Illinois to Rancho Cucamonga, California.
The flight distance (direct flight from Aurora, IL to Rancho Cucamonga, CA) is 1,671.11 mi.
1,939 mi = 1.61 kms