There are
2,015 mi
from Champaign, IL to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day 11 hours to go from Champaign, Illinois to Rancho Santa Margarita, California.
The flight distance (direct flight from Champaign, IL to Rancho Santa Margarita, CA) is 1,674.69 mi.
2,015 mi = 3.22 kms