There are
1,020 mi
from Denver, CO to Rancho Santa Margarita, CA
That's the driving distance. It would take 17 hours 46 mins to go from Denver, Colorado to Rancho Santa Margarita, California.
The flight distance (direct flight from Denver, CO to Rancho Santa Margarita, CA) is 815.02 mi.
1,020 mi = 1.61 kms