Miles between Longmont, CO and Dover, NH

There are
2,039 mi
from Longmont, CO to Dover, NH

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

The flight distance (direct flight from Longmont, CO to Dover, NH) is 1,766.17 mi.

2,039 mi = 3.22 kms