There are
1,927 mi
from Pasadena, TX to Piedmont, CA
That's the driving distance. It would take 1 day 9 hours to go from Pasadena, Texas to Piedmont, California.
The flight distance (direct flight from Pasadena, TX to Piedmont, CA) is 1,643.76 mi.
1,927 mi = 1.61 kms