There are
2,089 mi
from Pasadena, TX to Hermiston, OR
That's the driving distance. It would take 1 day 12 hours to go from Pasadena, Texas to Hermiston, Oregon.
The flight distance (direct flight from Pasadena, TX to Hermiston, OR) is 1,712.60 mi.
2,089 mi = 3.22 kms