There are
1,557 mi
from Topeka, KS to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day 2 hours to go from Topeka, Kansas to Rancho Santa Margarita, California.
The flight distance (direct flight from Topeka, KS to Rancho Santa Margarita, CA) is 1,271.95 mi.
1,557 mi = 1.61 kms