Miles between Rockville, MD and Simpsonville, SC

There are
509 mi
from Rockville, MD to Simpsonville, SC

That's the driving distance. It would take 9 hours 50 mins to go from Rockville, Maryland to Simpsonville, South Carolina.

The flight distance (direct flight from Rockville, MD to Simpsonville, SC) is 411.72 mi.

509 mi = 818.75 kms