There are
2,144 mi
from Evansville, IN to Klamath Falls, OR
That's the driving distance. It would take 1 day 15 hours to go from Evansville, Indiana to Klamath Falls, Oregon.
The flight distance (direct flight from Evansville, IN to Klamath Falls, OR) is 1,819.35 mi.
2,144 mi = 3.22 kms