Miles between Rockville, MD and St Charles, MO

There are
811 mi
from Rockville, MD to St Charles, MO

That's the driving distance. It would take 15 hours 31 mins to go from Rockville, Maryland to St Charles, Missouri.

The flight distance (direct flight from Rockville, MD to St Charles, MO) is 717.61 mi.

811 mi = 1,305.01 kms