There are
480 mi
from Everett, WA to Klamath Falls, OR
That's the driving distance. It would take 9 hours 50 mins to go from Everett, Washington to Klamath Falls, Oregon.
The flight distance (direct flight from Everett, WA to Klamath Falls, OR) is 398.10 mi.
480 mi = 771.82 kms