There are
1,930 mi
from Springfield, IL to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day 9 hours to go from Springfield, Illinois to Rancho Santa Margarita, California.
The flight distance (direct flight from Springfield, IL to Rancho Santa Margarita, CA) is 1,598.09 mi.
1,930 mi = 1.61 kms