There are
2,258 mi
from Columbus, OH to Walla Walla, WA
That's the driving distance. It would take 1 day 15 hours to go from Columbus, Ohio to Walla Walla, Washington.
The flight distance (direct flight from Columbus, OH to Walla Walla, WA) is 1,818.70 mi.
2,258 mi = 3.22 kms