There are
1,408 mi
from Denison, TX to Pasadena, CA
That's the driving distance. It would take 1 day to go from Denison, Texas to Pasadena, California.
The flight distance (direct flight from Denison, TX to Pasadena, CA) is 1,236.43 mi.
1,408 mi = 2,265.40 kms