Miles between Longmont, CO and Portsmouth, NH

There are
2,030 mi
from Longmont, CO to Portsmouth, NH

That's the driving distance. It would take 1 day 13 hours to go from Longmont, Colorado to Portsmouth, New Hampshire.

The flight distance (direct flight from Longmont, CO to Portsmouth, NH) is 1,772.54 mi.

2,030 mi = 3.22 kms