There are
1,645 mi
from Longmont, CO to Sanford, NC
That's the driving distance. It would take 1 day 6 hours to go from Longmont, Colorado to Sanford, North Carolina.
The flight distance (direct flight from Longmont, CO to Sanford, NC) is 1,445.76 mi.
1,645 mi = 1.61 kms