There are
670 mi
from Poplar Bluff, MO to Rocky River, OH
That's the driving distance. It would take 12 hours 44 mins to go from Poplar Bluff, Missouri to Rocky River, Ohio.
The flight distance (direct flight from Poplar Bluff, MO to Rocky River, OH) is 561.42 mi.
670 mi = 1,078.06 kms