There are
1,155 mi
from Dayton, OH to Miramar, FL
That's the driving distance. It would take 21 hours 21 mins to go from Dayton, Ohio to Miramar, Florida.
The flight distance (direct flight from Dayton, OH to Miramar, FL) is 978.63 mi.
1,155 mi = 1.61 kms