There are
2,045 mi
from Longview, TX to Klamath Falls, OR
That's the driving distance. It would take 1 day 13 hours to go from Longview, Texas to Klamath Falls, Oregon.
The flight distance (direct flight from Longview, TX to Klamath Falls, OR) is 1,620.75 mi.
2,045 mi = 3.22 kms