Miles between Rockville, MD and Union, NJ

There are
216 mi
from Rockville, MD to Union, NJ

That's the driving distance. It would take 4 hours 25 mins to go from Rockville, Maryland to Union, New Jersey.

The flight distance (direct flight from Rockville, MD to Union, NJ) is 189.44 mi.

216 mi = 347.02 kms