There are
1,533 mi
from Pasadena, TX to San Dimas, CA
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, Texas to San Dimas, California.
The flight distance (direct flight from Pasadena, TX to San Dimas, CA) is 1,357.17 mi.
1,533 mi = 1.61 kms