There are
2,120 mi
from Dayton, OH to Pullman, WA
That's the driving distance. It would take 1 day 13 hours to go from Dayton, Ohio to Pullman, Washington.
The flight distance (direct flight from Dayton, OH to Pullman, WA) is 1,714.66 mi.
2,120 mi = 3.22 kms