Miles between St Peters, MO and Gaithersburg, MD

There are
811 mi
from St Peters, MO to Gaithersburg, MD

That's the driving distance. It would take 15 hours 32 mins to go from St Peters, Missouri to Gaithersburg, Maryland.

The flight distance (direct flight from St Peters, MO to Gaithersburg, MD) is 719.91 mi.

811 mi = 1,305.98 kms