Miles between Westminster, CO and Rockville, MD

There are
1,639 mi
from Westminster, CO to Rockville, MD

That's the driving distance. It would take 1 day 6 hours to go from Westminster, Colorado to Rockville, Maryland.

The flight distance (direct flight from Westminster, CO to Rockville, MD) is 1,482.34 mi.

1,639 mi = 1.61 kms