Miles between Boulder, CO and Herndon, VA

There are
1,656 mi
from Boulder, CO to Herndon, VA

That's the driving distance. It would take 1 day 6 hours to go from Boulder, Colorado to Herndon, Virginia.

The flight distance (direct flight from Boulder, CO to Herndon, VA) is 1,482.51 mi.

1,656 mi = 1.61 kms