Miles between Longmont, CO and Herndon, VA

There are
1,662 mi
from Longmont, CO to Herndon, VA

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

The flight distance (direct flight from Longmont, CO to Herndon, VA) is 1,472.52 mi.

1,662 mi = 1.61 kms