There are
1,983 mi
from Aurora, IL to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day 10 hours to go from Aurora, Illinois to Rancho Santa Margarita, California.
The flight distance (direct flight from Aurora, IL to Rancho Santa Margarita, CA) is 1,686.49 mi.
1,983 mi = 1.61 kms