There are
1,407 mi
from Pasadena, CA to Denison, TX
That's the driving distance. It would take 1 day to go from Pasadena, California to Denison, Texas.
The flight distance (direct flight from Pasadena, CA to Denison, TX) is 1,236.43 mi.
1,407 mi = 2,264.33 kms