There are
2,367 mi
from Dayton, OH to Marysville, WA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Marysville, Washington.
The flight distance (direct flight from Dayton, OH to Marysville, WA) is 1,953.57 mi.
2,367 mi = 3.22 kms