There are
1,537 mi
from Pasadena, TX to Placentia, CA
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, Texas to Placentia, California.
The flight distance (direct flight from Pasadena, TX to Placentia, CA) is 1,358.95 mi.
1,537 mi = 1.61 kms