There are
684 mi
from Pasadena, CA to Klamath Falls, OR
That's the driving distance. It would take 12 hours 35 mins to go from Pasadena, California to Klamath Falls, Oregon.
The flight distance (direct flight from Pasadena, CA to Klamath Falls, OR) is 591.84 mi.
684 mi = 1,100.45 kms