There are
656 mi
from Youngstown, OH to Keokuk, IA
That's the driving distance. It would take 12 hours 15 mins to go from Youngstown, Ohio to Keokuk, Iowa.
The flight distance (direct flight from Youngstown, OH to Keokuk, IA) is 564.11 mi.
656 mi = 1,055.78 kms