There are
1,026 mi
from St Charles, MO to Auburndale, FL
That's the driving distance. It would take 19 hours 5 mins to go from St Charles, Missouri to Auburndale, Florida.
The flight distance (direct flight from St Charles, MO to Auburndale, FL) is 894.50 mi.
1,026 mi = 1,651.62 kms