There are
1,520 mi
from Thornton, CO to Shelby, NC
That's the driving distance. It would take 1 day 3 hours to go from Thornton, Colorado to Shelby, North Carolina.
The flight distance (direct flight from Thornton, CO to Shelby, NC) is 1,317.48 mi.
1,520 mi = 1.61 kms