There are
1,442 mi
from Garland, TX to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day to go from Garland, Texas to Rancho Santa Margarita, California.
The flight distance (direct flight from Garland, TX to Rancho Santa Margarita, CA) is 1,209.95 mi.
1,442 mi = 1.61 kms