There are
1,429 mi
from Pasadena, CA to Duncanville, TX
That's the driving distance. It would take 1 day to go from Pasadena, California to Duncanville, Texas.
The flight distance (direct flight from Pasadena, CA to Duncanville, TX) is 1,227.12 mi.
1,429 mi = 1.61 kms