There are
1,761 mi
from Thornton, CO to Wilmington, NC
That's the driving distance. It would take 1 day 8 hours to go from Thornton, Colorado to Wilmington, North Carolina.
The flight distance (direct flight from Thornton, CO to Wilmington, NC) is 1,534.09 mi.
1,761 mi = 1.61 kms