There are
2,340 mi
from Yakima, WA to Chillicothe, OH
That's the driving distance. It would take 1 day 17 hours to go from Yakima, Washington to Chillicothe, Ohio.
The flight distance (direct flight from Yakima, WA to Chillicothe, OH) is 1,942.48 mi.
2,340 mi = 3.22 kms