Miles between Rockville, MD and Piedmont, CA

There are
2,790 mi
from Rockville, MD to Piedmont, CA

That's the driving distance. It would take 2 days to go from Rockville, Maryland to Piedmont, California.

The flight distance (direct flight from Rockville, MD to Piedmont, CA) is 2,415.34 mi.

2,790 mi = 4,490.62 kms