There are
1,547 mi
from Pasadena, TX to Rancho Santa Margarita, CA
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, Texas to Rancho Santa Margarita, California.
The flight distance (direct flight from Pasadena, TX to Rancho Santa Margarita, CA) is 1,342.06 mi.
1,547 mi = 1.61 kms