There are
1,803 mi
from Pasadena, CA to Ballwin, MO
That's the driving distance. It would take 1 day 7 hours to go from Pasadena, California to Ballwin, Missouri.
The flight distance (direct flight from Pasadena, CA to Ballwin, MO) is 1,559.67 mi.
1,803 mi = 1.61 kms