There are
1,227 mi
from St Charles, MO to Miramar, FL
That's the driving distance. It would take 22 hours 28 mins to go from St Charles, Missouri to Miramar, Florida.
The flight distance (direct flight from St Charles, MO to Miramar, FL) is 1,065.90 mi.
1,227 mi = 1,974.47 kms