There are
368 mi
from Dayton, OH to Creve Coeur, MO
That's the driving distance. It would take 7 hours 2 mins to go from Dayton, Ohio to Creve Coeur, Missouri.
The flight distance (direct flight from Dayton, OH to Creve Coeur, MO) is 342.02 mi.
368 mi = 591.50 kms