There are
2,161 mi
from Pasco, WA to Piqua, OH
That's the driving distance. It would take 1 day 14 hours to go from Pasco, Washington to Piqua, Ohio.
The flight distance (direct flight from Pasco, WA to Piqua, OH) is 1,790.23 mi.
2,161 mi = 3,477.94 kms