Miles between Rockville, MD and Clayton, MO

There are
803 mi
from Rockville, MD to Clayton, MO

That's the driving distance. It would take 15 hours 22 mins to go from Rockville, Maryland to Clayton, Missouri.

The flight distance (direct flight from Rockville, MD to Clayton, MO) is 708.62 mi.

803 mi = 1,292.86 kms