Miles between Longmont, CO and Greenbelt, MD

There are
1,686 mi
from Longmont, CO to Greenbelt, MD

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

The flight distance (direct flight from Longmont, CO to Greenbelt, MD) is 1,498.83 mi.

1,686 mi = 1.61 kms