Miles between Warwick, RI and Rockville, MD

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

That's the driving distance. It would take 8 hours 22 mins to go from Warwick, Rhode Island to Rockville, Maryland.

The flight distance (direct flight from Warwick, RI to Rockville, MD) is 351.74 mi.

400 mi = 643.78 kms