Miles between Rockville, MD and Cranston, RI

There are
400 mi
from Rockville, MD to Cranston, RI

That's the driving distance. It would take 8 hours 25 mins to go from Rockville, Maryland to Cranston, Rhode Island.

The flight distance (direct flight from Rockville, MD to Cranston, RI) is 353.50 mi.

400 mi = 644.41 kms