There are
1,853 mi
from St Charles, MO to Coronado, CA
That's the driving distance. It would take 1 day 8 hours to go from St Charles, Missouri to Coronado, California.
The flight distance (direct flight from St Charles, MO to Coronado, CA) is 1,547.86 mi.
1,853 mi = 2,981.61 kms