Miles between St Louis, MO and Gaithersburg, MD

There are
792 mi
from St Louis, MO to Gaithersburg, MD

That's the driving distance. It would take 15 hours 5 mins to go from St Louis, Missouri to Gaithersburg, Maryland.

The flight distance (direct flight from St Louis, MO to Gaithersburg, MD) is 699.38 mi.

792 mi = 1,274.15 kms