There are
455 mi
from Bellevue, WA to Klamath Falls, OR
That's the driving distance. It would take 9 hours 20 mins to go from Bellevue, Washington to Klamath Falls, Oregon.
The flight distance (direct flight from Bellevue, WA to Klamath Falls, OR) is 372.66 mi.
455 mi = 732.35 kms