There are
413 mi
from Pawtucket, RI to Gaithersburg, MD
That's the driving distance. It would take 8 hours 35 mins to go from Pawtucket, Rhode Island to Gaithersburg, Maryland.
The flight distance (direct flight from Pawtucket, RI to Gaithersburg, MD) is 359.25 mi.
413 mi = 664.34 kms