There are
1,966 mi
from Tulsa, OK to Kelso, WA
That's the driving distance. It would take 1 day 9 hours to go from Tulsa, Oklahoma to Kelso, Washington.
The flight distance (direct flight from Tulsa, OK to Kelso, WA) is 1,550.93 mi.
1,966 mi = 1.61 kms