There are
2,196 mi
from Pasco, WA to Dayton, OH
That's the driving distance. It would take 1 day 14 hours to go from Pasco, Washington to Dayton, Ohio.
The flight distance (direct flight from Pasco, WA to Dayton, OH) is 1,804.16 mi.
2,196 mi = 3,534.48 kms