There are
2,122 mi
from Kennewick, WA to Pasadena, TX
That's the driving distance. It would take 1 day 13 hours to go from Kennewick, Washington to Pasadena, Texas.
The flight distance (direct flight from Kennewick, WA to Pasadena, TX) is 1,720.32 mi.
2,122 mi = 3,415.31 kms