There are
421 mi
from Tacoma, WA to Klamath Falls, OR
That's the driving distance. It would take 8 hours 38 mins to go from Tacoma, Washington to Klamath Falls, Oregon.
The flight distance (direct flight from Tacoma, WA to Klamath Falls, OR) is 348.91 mi.
421 mi = 678.18 kms