Miles between Rockville, MD and Portage, IN

There are
642 mi
from Rockville, MD to Portage, IN

That's the driving distance. It would take 11 hours 48 mins to go from Rockville, Maryland to Portage, Indiana.

The flight distance (direct flight from Rockville, MD to Portage, IN) is 554.92 mi.

642 mi = 1,032.68 kms