Miles between St Louis, MO and Rockville, MD

There are
797 mi
from St Louis, MO to Rockville, MD

That's the driving distance. It would take 15 hours 12 mins to go from St Louis, Missouri to Rockville, Maryland.

The flight distance (direct flight from St Louis, MO to Rockville, MD) is 702.08 mi.

797 mi = 1,282.02 kms